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The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !

 
Anonymous Coward
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05/07/2013 06:27 AM
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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
[link to www.phivolcs.dost.gov.ph]
MAYON VOLCANO ADVISORY 07 May 2013 8:30 AM
Mayon Volcano (13.2500°N, 123.6833°E) at 8:00 AM today, produced a small phreatic event that lasted about 73 seconds. The gray to brown clouds reached 500 meters above the summit and drifted west southwest. No volcanic earthquake was detected within the past 24-hour observation period. Seismic and gas emission parameters remain within background levels and indicate no intensification of volcanic activity.
With the above observations, PHIVOLCS is maintaining an Alert Level 0 status which means that no magmatic eruption is imminent. However, small phreatic explosions including small steam and ash ejections may occur suddenly with little or no warning. It is strongly advised that the public refrain from entering the 6-kilometer radius Permanent Danger Zone (PDZ) due to the threat of sudden steam-driven eruptions and rock falls from the upper and middle slopes of the volcano

John Seach @johnseach 2 h
Phreatic eruption at #Mayon volcano, #Philippines kills 4 climbers Tuesday 7 May.

[link to www.volcano.si.edu]
Volcano Type: Stratovolcano
Volcano Status: Historical
Last Known Eruption: 2010
Summit Elevation: 2462 m 8,077 feet
Latitude: 13.257°N 13°15'24"N
Longitude: 123.685°E 123°41'6"E
Beautifully symmetrical Mayon volcano, which rises to 2462 m above the Albay Gulf, is the Philippines' most active volcano. The structurally simple volcano has steep upper slopes averaging 35-40 degrees that are capped by a small summit crater. The historical eruptions of this basaltic-andesitic volcano date back to 1616 and range from strombolian to basaltic plinian, with cyclical activity beginning with basaltic eruptions, followed by longer term andesitic lava flows. Eruptions occur predominately from the central conduit and have also produced lava flows that travel far down the flanks. Pyroclastic flows and mudflows have commonly swept down many of the approximately 40 ravines that radiate from the summit and have often devastated populated lowland areas. Mayon's most violent eruption, in 1814, killed more than 1200 people and devastated several towns.
 Quoting: Anonymous Coward 39445514


[link to volcans.blogs-de-voyage.fr]
... 5 climbers were killed and at least 7 others were seriously injured near the crater of Mayon volcano when it spewed huge rocks and ash after daybreak Tuesday in its first eruption in three years. The volcano was quiet at the moment of the accident. The 20 climbers were surprised by an explosion which was both sudden and violent.

The climbers who died were struck by huge rocks, “as big as a living-room”, according to a guide. They include a German, an Austrian and a Filipino. The injured include foreigners and Filipino guides. Some are in critical condition.

No alert was raised for the volcano following the latest eruption and no evacuation is being planned...
 Quoting: Anonymous Coward 39445514


Erik Klemetti @eruptionsblog 7 h
Sad news MT @typhoonfury: Tragedy at Mayon in Philippines as reports coming in that 4 climbers killed during eruption

[link to www.nzherald.co.nz]
The New Zealand Herald
Climbers killed in Philippine volcano eruption
4:40 PM Tuesday May 7, 2013


...Rescue teams were sent to Mayon volcano in the central Philippines to look for four climbers and guides trapped after the mild eruption, Albay provincial Gov. Joey Salceda said. Clouds have cleared over the volcano, which was quiet later in the morning (local time).

The four climbers who died were struck by huge rocks, guide Kenneth Jesalva told ABS-CBN TV network by cellphone from a camp near the crater. Another man was critically injured from a group of eight that included five foreigners and three Filipino guides.

One of those killed was Filipino. The nationalities of the foreign climbers were not immediately clear. No bodies have been retrieved yet.

Jesalva said he was in the group that spent the night on the picturesque mountain, known for its almost-perfect cone, when the volcano rumbled back to life early in the morning and rocks "as big as a living room" came raining down on them...
Luisport

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05/07/2013 02:56 PM

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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
Anonymous Coward
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05/09/2013 02:04 PM
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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
[link to en.vedur.is]

quite a swarm going on, with a few green star quakes in there, this time at the southern end of the rift close to the island

so intense swarms now, north, and south of the island in the very recent past

it seems to me that the whole island, the whole plume head, is inflating, and the weakest parts of the rift, the WETTEST parts are the ones that are giving first, but on land, where the crust is much harder, more resistant, the only places showing the strain are the calderas

i'm telling you, this is all building up to something very big
Anonymous Coward
User ID: 39516539
United Kingdom
05/09/2013 02:46 PM
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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
[link to en.vedur.is]

quite a swarm going on, with a few green star quakes in there, this time at the southern end of the rift close to the island

so intense swarms now, north, and south of the island in the very recent past

it seems to me that the whole island, the whole plume head, is inflating, and the weakest parts of the rift, the WETTEST parts are the ones that are giving first, but on land, where the crust is much harder, more resistant, the only places showing the strain are the calderas

i'm telling you, this is all building up to something very big
 Quoting: Anonymous Coward 39516539


showing clearly on jon's recorders..

[link to www.jonfr.com]

also on the stations closest to the swarm..

[link to hraun.vedur.is]

especially these ones..

[link to hraun.vedur.is]

[link to hraun.vedur.is]

few more green star quakes just recently too
Anonymous Coward
User ID: 39516539
United Kingdom
05/09/2013 03:46 PM
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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
[link to en.vedur.is]

quite a swarm going on, with a few green star quakes in there, this time at the southern end of the rift close to the island

so intense swarms now, north, and south of the island in the very recent past

it seems to me that the whole island, the whole plume head, is inflating, and the weakest parts of the rift, the WETTEST parts are the ones that are giving first, but on land, where the crust is much harder, more resistant, the only places showing the strain are the calderas

i'm telling you, this is all building up to something very big
 Quoting: Anonymous Coward 39516539


showing clearly on jon's recorders..

[link to www.jonfr.com]

also on the stations closest to the swarm..

[link to hraun.vedur.is]

especially these ones..

[link to hraun.vedur.is]

[link to hraun.vedur.is]

few more green star quakes just recently too
 Quoting: Anonymous Coward 39516539


it's escalating

a 4.5 now..

Thursday
09.05.2013 19:20:36 63.668 -23.344 16.2 km 4.5 90.04 3.0 km WSW of Geirfugladrangur

[link to en.vedur.is]
Anonymous Coward
User ID: 39516539
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05/09/2013 03:49 PM
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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
the 4.5 shows really well on jon's recorders

[link to www.jonfr.com]
Anonymous Coward
User ID: 39727873
Russian Federation
05/12/2013 04:59 PM
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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
[link to en.vedur.is]

quite a swarm going on, with a few green star quakes in there, this time at the southern end of the rift close to the island

so intense swarms now, north, and south of the island in the very recent past

it seems to me that the whole island, the whole plume head, is inflating, and the weakest parts of the rift, the WETTEST parts are the ones that are giving first, but on land, where the crust is much harder, more resistant, the only places showing the strain are the calderas

i'm telling you, this is all building up to something very big
 Quoting: Anonymous Coward 39516539


showing clearly on jon's recorders..

[link to www.jonfr.com]

also on the stations closest to the swarm..

[link to hraun.vedur.is]

especially these ones..

[link to hraun.vedur.is]

[link to hraun.vedur.is]

few more green star quakes just recently too
 Quoting: Anonymous Coward 39516539


it's escalating

a 4.5 now..

Thursday
09.05.2013 19:20:36 63.668 -23.344 16.2 km 4.5 90.04 3.0 km WSW of Geirfugladrangur

[link to en.vedur.is]
 Quoting: Anonymous Coward 39516539



[link to volcans.blogs-de-voyage.fr]
Even if seismicity is frequent in this area, one is impressed by the seismic swarm that is taking place off the Reykjanes Peninsula. These tectonic events show the forces that are exerted in Iceland, the emergence of the Mid-Atlantic ridge and the witness of the accretion between the North American and Eurasian plates.


the melt season began, the main events ahead
Anonymous Coward
User ID: 39727873
Russian Federation
05/12/2013 05:09 PM
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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
Popo Mexico
[link to www.cenapred.unam.mx]
May 06 11:15 h (May 06, 16:15 GMT)

In the last 24 hours, the monitoring system of Popocatepetl registered 51 low intensity exhalations accompanied by emisions of steam and gas (see image 1), (see image 2) . The monitoring system also registered 2 volcanotectonic event, today at 03:33 h (local time) of magnitude Mc=3.4 and this morning at 05:08h (local time) of magnitude Mc=1...
 Quoting: Anonymous Coward 39445514


[link to www.cenapred.unam.mx]

May 12 02:40 h (Mayo 12, 07:40 GMT)

In the past two weeks the activity of Popocatépetl volcano has increased. Today an increase in the general levels of activity was noticed, in particular some explosions, volcanotectonic seisms, tremor episodes and exhalation trains, so based on the recomendatio of the Scientific Assesing Comitee, the Interior Ministry decided to increase the Volcanic Alert Level to Yellow, Phase 3.

May 12 10:00 h (May 12, 15:00 GMT)

The increase in the general activity of Popocatepetl volcano during the last weeks and especially the acceleration of the seismic activity registered yesterday, today at 01:40 am, the Interior Ministry raised the Volcanic Alert Level to Yellow Phase 3. During the period in which the volcanic traffic light remains in this level, two bulletins will be issued daily: the first at 10:00 am, with a summary of the activity of the last 24 h and the second at 07:00 pm, featuring updating the data reported in the first. If necessary, the updates will be reported more frequently.

During the last 24 h, the monitoring system of Popocatepetl volcano registered a long episode of harmonic tremor of high amplitude, beginning yesterday at 16:00 h (local time) until 05:45 h (local time) of this early morning (see image 1). This activity was accompanied by the emission of a continuous steam and gas plume, containing small to moderate amounts of ash, which was released in denser pulses (see image 2). The emission of incandescent fragments was also observed sporadically, which mainly fell in to the crater interior. However, at 01:10 h, some part of these fragments fell on the highest part of the volcano north-northeast flanks, at maximum distance of 300 m (see imagen 3), (seeimagen 4). The tremor was registered in several stages of 1 to 2 hours of duration, continuously or in segments. Each stage began with an explosion of moderate intensity. The most important occurred at 17:00 h (local time) and was perceived by much of the villages close to the east and southeast flanks of the volcano.

From 05:45 h to 07:26 h the harmonic tremor decreased in amplitude and was registered in segments, which gradually spaced themself. At 07:27 h (see image 5) and at 08:10 h, two other exhalations with explosive component were recorded and were followed by new segments of harmonic tremor of high amplitude, between 08:39 h and 08:58 h.

Additionally, during the last 24 h the monitoring system registered 60 exhalations of low to moderate intensity, accompanied by the emission of a steam and gas plume, and possibly by small to moderate amounts of ash; although it was not possible to observe this clearly...
Anonymous Coward
User ID: 39727873
Russian Federation
05/12/2013 05:14 PM
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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
[link to en.vedur.is]

quite a swarm going on, with a few green star quakes in there, this time at the southern end of the rift close to the island

so intense swarms now, north, and south of the island in the very recent past

it seems to me that the whole island, the whole plume head, is inflating, and the weakest parts of the rift, the WETTEST parts are the ones that are giving first, but on land, where the crust is much harder, more resistant, the only places showing the strain are the calderas

i'm telling you, this is all building up to something very big
 Quoting: Anonymous Coward 39516539


showing clearly on jon's recorders..

[link to www.jonfr.com]

also on the stations closest to the swarm..

[link to hraun.vedur.is]

especially these ones..

[link to hraun.vedur.is]

[link to hraun.vedur.is]

few more green star quakes just recently too
 Quoting: Anonymous Coward 39516539


it's escalating

a 4.5 now..

Thursday
09.05.2013 19:20:36 63.668 -23.344 16.2 km 4.5 90.04 3.0 km WSW of Geirfugladrangur

[link to en.vedur.is]
 Quoting: Anonymous Coward 39516539



[link to volcans.blogs-de-voyage.fr]
Even if seismicity is frequent in this area, one is impressed by the seismic swarm that is taking place off the Reykjanes Peninsula. These tectonic events show the forces that are exerted in Iceland, the emergence of the Mid-Atlantic ridge and the witness of the accretion between the North American and Eurasian plates.


the melt season began, the main events ahead
 Quoting: Anonymous Coward 39727873


[link to www.nature.com]
Global carbon dioxide levels near worrisome milestone
Concentrations of greenhouse gas will soon surpass 400 parts per million at sentinel spot.

Richard Monastersky 30 April 2013

Near the moonscape summit of the Mauna Loa volcano in Hawaii, an infrared analyser will soon make history. Sometime in the next month, it is expected to record a daily concentration of carbon dioxide in the atmosphere of more than 400 parts per million (p.p.m.), a value not reached at this key surveillance point for a few million years...
Anonymous Coward
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05/12/2013 05:18 PM
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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
Tolbachik sat shot EO-1 ALI 08.05.2013
[link to www.kscnet.ru]
Anonymous Coward
User ID: 39727873
Russian Federation
05/12/2013 05:24 PM
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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
...


showing clearly on jon's recorders..

[link to www.jonfr.com]

also on the stations closest to the swarm..

[link to hraun.vedur.is]

especially these ones..

[link to hraun.vedur.is]

[link to hraun.vedur.is]

few more green star quakes just recently too
 Quoting: Anonymous Coward 39516539


it's escalating

a 4.5 now..

Thursday
09.05.2013 19:20:36 63.668 -23.344 16.2 km 4.5 90.04 3.0 km WSW of Geirfugladrangur

[link to en.vedur.is]
 Quoting: Anonymous Coward 39516539



[link to volcans.blogs-de-voyage.fr]
Even if seismicity is frequent in this area, one is impressed by the seismic swarm that is taking place off the Reykjanes Peninsula. These tectonic events show the forces that are exerted in Iceland, the emergence of the Mid-Atlantic ridge and the witness of the accretion between the North American and Eurasian plates.


the melt season began, the main events ahead
 Quoting: Anonymous Coward 39727873


[link to www.nature.com]
Global carbon dioxide levels near worrisome milestone
Concentrations of greenhouse gas will soon surpass 400 parts per million at sentinel spot.

Richard Monastersky 30 April 2013

Near the moonscape summit of the Mauna Loa volcano in Hawaii, an infrared analyser will soon make history. Sometime in the next month, it is expected to record a daily concentration of carbon dioxide in the atmosphere of more than 400 parts per million (p.p.m.), a value not reached at this key surveillance point for a few million years...
 Quoting: Anonymous Coward 39727873


John A Stevenson @volcan01010 2 day
Watch #Iceland glaciers shrink over past 30 years in Google Earth Engine :

[link to earthengine.google.org]
Anonymous Coward
User ID: 39727873
Russian Federation
05/12/2013 05:27 PM
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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
Tolbachik sat shot EO-1 ALI 08.05.2013
[link to www.kscnet.ru]
 Quoting: Anonymous Coward 39727873


Ben Edwards @lava_ice 2 day
More #tolbachik images added to Flickr set: [link to www.flickr.com]
Anonymous Coward
User ID: 39727873
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05/12/2013 05:35 PM
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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
Hawaii
data of Uwekahuna (UWE) on the northwest rim of Kīlauea's caldera shows week of continious inflation:
[link to hvo.wr.usgs.gov]

[link to volcans.blogs-de-voyage.fr]
...The situation should be closely controlled. There seems to be a strong lava ascent and the lava flows issued from Pu’uO’o are quite active at the moment.


[link to hvo.wr.usgs.gov]
HAWAIIAN VOLCANO OBSERVATORY DAILY UPDATE
Sunday, May 12, 2013 7:43 AM HST (Sunday, May 12, 2013 17:43 UTC)
...Recent Observations at Kilauea summit: The summit tiltmeter network recorded about 0.3 microradians of inflationary tilt over the past 24 hours and the summit lava lake rose slightly with several travelling spattering sources and minor temporary jumps when spattering was absent. This morning, weak trade winds continued guiding the gas plume southwestward into morning fog - new emission rate measurements must await the return of moderate trade winds. Gas emissions remain elevated with the plume carrying a very small amount of ash-sized tephra (mostly fresh spatter bits and Pele's hair) out of the vent and depositing it on nearby surfaces. Seismic tremor levels remained at low values with sporadic drops in value about every 3-4 hours when spattering on the lava lake ceased; conversely when there are two or more spattering areas on the lava lake, the tremor levels are nearly double the values when only one spatterer is present.
Thirteen earthquakes were strong enough to be located beneath Kilauea Volcano in the past 24 hours: 1 just northeast of Halema`uma`u Crater, 2 south of the crater, 9 within the upper east rift zone, and 1 on south flank faults. Up to 6/hr minor earthquakes-too weak to locate-continued to occur in the upper east rift zone. The GPS receivers located on either side of the summit caldera recorded slow extension in May following minor contraction through April...
Anonymous Coward
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05/12/2013 05:45 PM
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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
[link to www.avo.alaska.edu]
ALASKA VOLCANO OBSERVATORY DAILY UPDATE
Sunday, May 12, 2013 11:28 AM AKDT (Sunday, May 12, 2013 19:28 UTC)


CLEVELAND VOLCANO (CAVW #1101-24-)
52°49'20" N 169°56'42" W, Summit Elevation 5676 ft (1730 m)
Current Volcano Alert Level: WATCH
Current Aviation Color Code: ORANGE
...A thermal anomaly was visible at Cleveland Volcano over the past 24 hours. No explosions have been detected by regional infrasound data.
Sudden explosions of blocks and ash are possible with little or no warning. Ash clouds, if produced, could exceed 20,000 feet above sea level. If a large ash-producing event occurs, nearby seismic, infrasound, or volcanic lightning networks should alert AVO staff quickly. However, for some events, a delay of several hours is possible. Cleveland Volcano does not have a local seismic network and is monitored using only distant seismic and infrasound instruments and satellite data...

[link to www.wired.com]
GuillermoChile • 20 hours ago −
"Vigorous steam plume" seen in the last 24 hrs at Cleveland volcano, according to AVO
Anonymous Coward
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05/13/2013 03:12 AM
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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
Popo Mexico
[link to www.cenapred.unam.mx]
May 06 11:15 h (May 06, 16:15 GMT)

In the last 24 hours, the monitoring system of Popocatepetl registered 51 low intensity exhalations accompanied by emisions of steam and gas (see image 1), (see image 2) . The monitoring system also registered 2 volcanotectonic event, today at 03:33 h (local time) of magnitude Mc=3.4 and this morning at 05:08h (local time) of magnitude Mc=1...
 Quoting: Anonymous Coward 39445514


[link to www.cenapred.unam.mx]

May 12 02:40 h (Mayo 12, 07:40 GMT)

In the past two weeks the activity of Popocatépetl volcano has increased. Today an increase in the general levels of activity was noticed, in particular some explosions, volcanotectonic seisms, tremor episodes and exhalation trains, so based on the recomendatio of the Scientific Assesing Comitee, the Interior Ministry decided to increase the Volcanic Alert Level to Yellow, Phase 3.

May 12 10:00 h (May 12, 15:00 GMT)

The increase in the general activity of Popocatepetl volcano during the last weeks and especially the acceleration of the seismic activity registered yesterday, today at 01:40 am, the Interior Ministry raised the Volcanic Alert Level to Yellow Phase 3. During the period in which the volcanic traffic light remains in this level, two bulletins will be issued daily: the first at 10:00 am, with a summary of the activity of the last 24 h and the second at 07:00 pm, featuring updating the data reported in the first. If necessary, the updates will be reported more frequently.

During the last 24 h, the monitoring system of Popocatepetl volcano registered a long episode of harmonic tremor of high amplitude, beginning yesterday at 16:00 h (local time) until 05:45 h (local time) of this early morning (see image 1). This activity was accompanied by the emission of a continuous steam and gas plume, containing small to moderate amounts of ash, which was released in denser pulses (see image 2). The emission of incandescent fragments was also observed sporadically, which mainly fell in to the crater interior. However, at 01:10 h, some part of these fragments fell on the highest part of the volcano north-northeast flanks, at maximum distance of 300 m (see imagen 3), (seeimagen 4). The tremor was registered in several stages of 1 to 2 hours of duration, continuously or in segments. Each stage began with an explosion of moderate intensity. The most important occurred at 17:00 h (local time) and was perceived by much of the villages close to the east and southeast flanks of the volcano.

From 05:45 h to 07:26 h the harmonic tremor decreased in amplitude and was registered in segments, which gradually spaced themself. At 07:27 h (see image 5) and at 08:10 h, two other exhalations with explosive component were recorded and were followed by new segments of harmonic tremor of high amplitude, between 08:39 h and 08:58 h.

Additionally, during the last 24 h the monitoring system registered 60 exhalations of low to moderate intensity, accompanied by the emission of a steam and gas plume, and possibly by small to moderate amounts of ash; although it was not possible to observe this clearly...
 Quoting: Anonymous Coward 39727873


[link to www.cenapred.unam.mx]
May 12 19:00 h (May 13, 00:00 GMT)
Since the last bulletin at 10:00 h, the monitoring system of Popocatépetl volcano registered 3 h of segments of harmonic tremor of medium and high amplitude, between 10:00 h and 11:12 h, and since 17:30 h to the moment of this report. Additionally, the system registered 20 exhalations of low to moderate intensity. The most important occurred at 14:16 h, which had explosive component.
Until an hour ago there was not visibility to the volcano, due to the cloudy conditions in the area. Since 18:00 h it was possible to observe the crater and the continuous emission of a steam and gas plume, and occasionally denser pulses containing small to moderate amounts of ash (see image 8), heading to northeast.
The harmonic tremor that began at 17:30 h continues at the moment to finish this report and has a tendency to increase.



seismic
[link to www2.ssn.unam.mx]
Anonymous Coward
User ID: 39761428
Russian Federation
05/13/2013 09:39 AM
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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
Hawaii
data of Uwekahuna (UWE) on the northwest rim of Kīlauea's caldera shows week of continious inflation:
[link to hvo.wr.usgs.gov]

[link to volcans.blogs-de-voyage.fr]
...The situation should be closely controlled. There seems to be a strong lava ascent and the lava flows issued from Pu’uO’o are quite active at the moment.


[link to hvo.wr.usgs.gov]
HAWAIIAN VOLCANO OBSERVATORY DAILY UPDATE
Sunday, May 12, 2013 7:43 AM HST (Sunday, May 12, 2013 17:43 UTC)
...Recent Observations at Kilauea summit: The summit tiltmeter network recorded about 0.3 microradians of inflationary tilt over the past 24 hours and the summit lava lake rose slightly with several travelling spattering sources and minor temporary jumps when spattering was absent. This morning, weak trade winds continued guiding the gas plume southwestward into morning fog - new emission rate measurements must await the return of moderate trade winds. Gas emissions remain elevated with the plume carrying a very small amount of ash-sized tephra (mostly fresh spatter bits and Pele's hair) out of the vent and depositing it on nearby surfaces. Seismic tremor levels remained at low values with sporadic drops in value about every 3-4 hours when spattering on the lava lake ceased; conversely when there are two or more spattering areas on the lava lake, the tremor levels are nearly double the values when only one spatterer is present.
Thirteen earthquakes were strong enough to be located beneath Kilauea Volcano in the past 24 hours: 1 just northeast of Halema`uma`u Crater, 2 south of the crater, 9 within the upper east rift zone, and 1 on south flank faults. Up to 6/hr minor earthquakes-too weak to locate-continued to occur in the upper east rift zone. The GPS receivers located on either side of the summit caldera recorded slow extension in May following minor contraction through April...
 Quoting: Anonymous Coward 39727873


John Seach @johnseach 2 h
#Kilauea volcano, #Hawaii. New lava flow in Pu'u O'o close to overflowing crater
Anonymous Coward
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05/13/2013 05:37 PM
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[link to www.avo.alaska.edu]
AVO/USGS Volcanic Activity Notice

Volcano: Pavlof (CAVW #1102-03-)

Current Volcano Alert Level: WATCH
Previous Volcano Alert Level: NORMAL

Current Aviation Color Code: ORANGE
Previous Aviation Color Code: GREEN

Issued: Monday, May 13, 2013, 11:38 AM AKDT (20130513/1938Z)
Source: Alaska Volcano Observatory
Notice Number: 2013/A9
Location: N 55 deg 25 min W 161 deg 53 min
Elevation: 8261 ft (2518 m)
Area: Alaska Peninsula Alaska

Volcanic Activity Summary: Seismic activity at Pavlof Volcano increased this morning commensurate with the presence of an intense thermal anomaly at the summit observed in latest satellite imagery. Similar patterns of seismicity and elevated surface temperatures have previously signaled the onset of eruptive activity at Pavlof. Although not yet visually confirmed, a low-level eruption of lava has likely begun from a summit vent. No ash clouds have been detected...

[link to www.volcano.si.edu]
Pavlof
Volcano Type: Stratovolcano
Volcano Status: Historical
Last Known Eruption: 2007
...Pavlof has been frequently active in historical time, typically producing strombolian to vulcanian explosive eruptions from the summit vents and occasional lava flows. The active vents lie near the summit on the north and east sides. The largest historical eruption of Pavlof took place in 1911, at the end of a 5-year-long eruptive episode. During this eruption a fissure opened on the northern flank of the volcano, ejecting large blocks and issuing lava flows.
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05/13/2013 05:46 PM
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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
Popo Mexico
[link to www.cenapred.unam.mx]
May 06 11:15 h (May 06, 16:15 GMT)

In the last 24 hours, the monitoring system of Popocatepetl registered 51 low intensity exhalations accompanied by emisions of steam and gas (see image 1), (see image 2) . The monitoring system also registered 2 volcanotectonic event, today at 03:33 h (local time) of magnitude Mc=3.4 and this morning at 05:08h (local time) of magnitude Mc=1...
 Quoting: Anonymous Coward 39445514


[link to www.cenapred.unam.mx]

May 12 02:40 h (Mayo 12, 07:40 GMT)

In the past two weeks the activity of Popocatépetl volcano has increased. Today an increase in the general levels of activity was noticed, in particular some explosions, volcanotectonic seisms, tremor episodes and exhalation trains, so based on the recomendatio of the Scientific Assesing Comitee, the Interior Ministry decided to increase the Volcanic Alert Level to Yellow, Phase 3.

May 12 10:00 h (May 12, 15:00 GMT)

The increase in the general activity of Popocatepetl volcano during the last weeks and especially the acceleration of the seismic activity registered yesterday, today at 01:40 am, the Interior Ministry raised the Volcanic Alert Level to Yellow Phase 3. During the period in which the volcanic traffic light remains in this level, two bulletins will be issued daily: the first at 10:00 am, with a summary of the activity of the last 24 h and the second at 07:00 pm, featuring updating the data reported in the first. If necessary, the updates will be reported more frequently.

During the last 24 h, the monitoring system of Popocatepetl volcano registered a long episode of harmonic tremor of high amplitude, beginning yesterday at 16:00 h (local time) until 05:45 h (local time) of this early morning (see image 1). This activity was accompanied by the emission of a continuous steam and gas plume, containing small to moderate amounts of ash, which was released in denser pulses (see image 2). The emission of incandescent fragments was also observed sporadically, which mainly fell in to the crater interior. However, at 01:10 h, some part of these fragments fell on the highest part of the volcano north-northeast flanks, at maximum distance of 300 m (see imagen 3), (seeimagen 4). The tremor was registered in several stages of 1 to 2 hours of duration, continuously or in segments. Each stage began with an explosion of moderate intensity. The most important occurred at 17:00 h (local time) and was perceived by much of the villages close to the east and southeast flanks of the volcano.

From 05:45 h to 07:26 h the harmonic tremor decreased in amplitude and was registered in segments, which gradually spaced themself. At 07:27 h (see image 5) and at 08:10 h, two other exhalations with explosive component were recorded and were followed by new segments of harmonic tremor of high amplitude, between 08:39 h and 08:58 h.

Additionally, during the last 24 h the monitoring system registered 60 exhalations of low to moderate intensity, accompanied by the emission of a steam and gas plume, and possibly by small to moderate amounts of ash; although it was not possible to observe this clearly...
 Quoting: Anonymous Coward 39727873


[link to www.cenapred.unam.mx]
May 12 19:00 h (May 13, 00:00 GMT)
Since the last bulletin at 10:00 h, the monitoring system of Popocatépetl volcano registered 3 h of segments of harmonic tremor of medium and high amplitude, between 10:00 h and 11:12 h, and since 17:30 h to the moment of this report. Additionally, the system registered 20 exhalations of low to moderate intensity. The most important occurred at 14:16 h, which had explosive component.
Until an hour ago there was not visibility to the volcano, due to the cloudy conditions in the area. Since 18:00 h it was possible to observe the crater and the continuous emission of a steam and gas plume, and occasionally denser pulses containing small to moderate amounts of ash (see image 8), heading to northeast.
The harmonic tremor that began at 17:30 h continues at the moment to finish this report and has a tendency to increase.



seismic
[link to www2.ssn.unam.mx]
 Quoting: Anonymous Coward 10430836


[link to www.washingtonpost.com]
Mexico readies shelters after volcano tremors increase, steam plume spews into sky
...The government deployed soldiers and federal police to the area Sunday in the event of a bigger eruption, and officials closed off a seven-square-mile (18-square-kilometer) zone around the cone of the 17,886-foot (5,450-meter) volcano. State authorities prepared shelters...
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05/13/2013 06:04 PM
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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
Yellowstone Caldera
[link to hisz.rsoe.hu]
Date Time Magnitude Depth
2013-05-10 05:06:08 1.8 8.50 Km
2013-05-10 03:31:31 1.6 9.80 Km
2013-05-10 03:27:59 1.4 9.60 Km
2013-05-10 00:01:24 1.6 9.10 Km
2013-05-10 00:01:24 1.5 8.70 Km
2013-05-09 02:05:06 1.5 5.30 Km
2013-05-09 06:38:27 1.2 8.70 Km
2013-05-07 05:48:24 1.5 3.40 Km
2013-05-07 13:22:33 2.9 9.50 Km
2013-05-07 17:38:13 1.7 9.50 Km

details
[link to www.seis.utah.edu]

seismic now
[link to www.isthisthingon.org]
Luisport

User ID: 39806466
Portugal
05/14/2013 05:50 AM

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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
volcano Activity in USA on Tuesday, 14 May, 2013 at 03:26 (03:26 AM) UTC.

Description
Tremors were detected at Pavlof Volcano, 625 miles southwest of Anchorage, according to the Alaska Volcano Observatory. Satellite imagery showed the mountain was "very, very hot," said John Power, the U.S. Geological Survey scientist in charge at the observatory. The aviation alert level for Pavlof was raised from "yellow" to "orange." A major ash emission could threaten international flights. Pavlof is 37 miles from the community of Cold Bay, which was notified of the new activity that began about 8 a.m. Monday. Because of clouds, the volcano was not visible to the village of 100. The volcano last erupted in 2007, but residents there said that eruption had no impact on Cold Bay, likely because the winds blew any ash fall away. Ash clouds were visible to residents, however.
[link to hisz.rsoe.hu]

Last Edited by Luisport on 05/14/2013 05:51 AM
Anonymous Coward
User ID: 39833651
Russian Federation
05/14/2013 04:14 PM
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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
[link to volcans.blogs-de-voyage.fr]
Even if seismicity is frequent in this area, one is impressed by the seismic swarm that is taking place off the Reykjanes Peninsula. These tectonic events show the forces that are exerted in Iceland, the emergence of the Mid-Atlantic ridge and the witness of the accretion between the North American and Eurasian plates.


the melt season began, the main events ahead
 Quoting: Anonymous Coward 39727873


[link to www.nature.com]
Global carbon dioxide levels near worrisome milestone
Concentrations of greenhouse gas will soon surpass 400 parts per million at sentinel spot.

Richard Monastersky 30 April 2013

Near the moonscape summit of the Mauna Loa volcano in Hawaii, an infrared analyser will soon make history. Sometime in the next month, it is expected to record a daily concentration of carbon dioxide in the atmosphere of more than 400 parts per million (p.p.m.), a value not reached at this key surveillance point for a few million years...
 Quoting: Anonymous Coward 39727873


[link to bprc.osu.edu]
Jason E. Box, PhD
Byrd Polar Research Center
The Ohio State University
Columbus, OH, USA
Phone: +1 614 506 0830
Email: box.11 @ osu.edu
Jason Box Professional Bio
CONTENTS
•Greenland Ice Sheet Snowline
•Greenland Ice Surface Temperature Monitoring
•Greenland Ice Albedo Monitoring

Jason Box @climate_ice
March 2013 was the warmest in SW Greenland since start of Danish on-ice climate monitoring stations in 2007

[link to www.meltfactor.org]
May 3rd, 2013
Greenland “snow drought” makes big 2013 melt more likely
Figure 1. Western ice sheet snowfall totals are 30%-70% of normal. Brown areas have less than ‘normal’ precipitation:
[link to www.meltfactor.org]
Multiple melt factors combine to increase the odds of more melt water runoff from the ice sheet during the 2013 melt season:

1.less ‘cold content’ of snow to melt away (ablate) for a given energy input before bare ice is exposed;
2.a longer period of exposed darker bare ice, in this case weeks earlier bare ice exposure is likely unless a big snow dump before or during the coming warm season;
3.Less snow leads to a smaller refreezing capacity in the lower accumulation area. Thanks Robert Fausto of GEUS for reminding me of this one.
4.a possible higher concentration of light absorbing impurities per unit volume of snow, assuming that the impurities are deposited whether or not it snows.
This pattern results from a persistent atmospheric anomaly, blocking cold air transport southward along west Greenland, producing relatively warm temperatures there while northwestern Europe has had a cold winter (Figure 2 [link to www.meltfactor.org]
The precipitation anomaly is manifesting in abnormally low land and ice sheet reflectivity (albedo) (Figure 3)...
Anonymous Coward
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Russian Federation
05/14/2013 04:21 PM
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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
great post
[link to www.wired.com]
...Our options are limited in how to fund pure science or volcano monitoring. Do we become beholden to commercial interest by requiring private funding for science — and if you can’t get funding from a company than your research is “unworthy”? Do we turn scientists into internet buskers, asking for money to do their work through Kickstarter campaigns? Even my research, which is limited by the nature of my job at a small liberals arts college*, costs a significant amount of money per year to pay for student stipends, lab time, supplies, travel, field work and more. For my colleagues at research-oriented institution, where research productivity is vital for job security, the cost is much higher. By cutting government funding of research or forcing the commercialization of science research, we’re saying that science for discovery is no longer viable or useful. Is this something you want to teach your children or grandchildren, that science can only be done if it will make someone money? Or do we want to say “no” to this trend that “business is boss” across our society and make the stand that science research is the core to discovery in the United States and across the globe.
Anonymous Coward
User ID: 39833651
Russian Federation
05/14/2013 04:26 PM
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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
Popo Mexico
[link to www.cenapred.unam.mx]
May 06 11:15 h (May 06, 16:15 GMT)

In the last 24 hours, the monitoring system of Popocatepetl registered 51 low intensity exhalations accompanied by emisions of steam and gas (see image 1), (see image 2) . The monitoring system also registered 2 volcanotectonic event, today at 03:33 h (local time) of magnitude Mc=3.4 and this morning at 05:08h (local time) of magnitude Mc=1...
 Quoting: Anonymous Coward 39445514


[link to www.cenapred.unam.mx]

May 12 02:40 h (Mayo 12, 07:40 GMT)

In the past two weeks the activity of Popocatépetl volcano has increased. Today an increase in the general levels of activity was noticed, in particular some explosions, volcanotectonic seisms, tremor episodes and exhalation trains, so based on the recomendatio of the Scientific Assesing Comitee, the Interior Ministry decided to increase the Volcanic Alert Level to Yellow, Phase 3.

May 12 10:00 h (May 12, 15:00 GMT)

The increase in the general activity of Popocatepetl volcano during the last weeks and especially the acceleration of the seismic activity registered yesterday, today at 01:40 am, the Interior Ministry raised the Volcanic Alert Level to Yellow Phase 3. During the period in which the volcanic traffic light remains in this level, two bulletins will be issued daily: the first at 10:00 am, with a summary of the activity of the last 24 h and the second at 07:00 pm, featuring updating the data reported in the first. If necessary, the updates will be reported more frequently.

During the last 24 h, the monitoring system of Popocatepetl volcano registered a long episode of harmonic tremor of high amplitude, beginning yesterday at 16:00 h (local time) until 05:45 h (local time) of this early morning (see image 1). This activity was accompanied by the emission of a continuous steam and gas plume, containing small to moderate amounts of ash, which was released in denser pulses (see image 2). The emission of incandescent fragments was also observed sporadically, which mainly fell in to the crater interior. However, at 01:10 h, some part of these fragments fell on the highest part of the volcano north-northeast flanks, at maximum distance of 300 m (see imagen 3), (seeimagen 4). The tremor was registered in several stages of 1 to 2 hours of duration, continuously or in segments. Each stage began with an explosion of moderate intensity. The most important occurred at 17:00 h (local time) and was perceived by much of the villages close to the east and southeast flanks of the volcano.

From 05:45 h to 07:26 h the harmonic tremor decreased in amplitude and was registered in segments, which gradually spaced themself. At 07:27 h (see image 5) and at 08:10 h, two other exhalations with explosive component were recorded and were followed by new segments of harmonic tremor of high amplitude, between 08:39 h and 08:58 h.

Additionally, during the last 24 h the monitoring system registered 60 exhalations of low to moderate intensity, accompanied by the emission of a steam and gas plume, and possibly by small to moderate amounts of ash; although it was not possible to observe this clearly...
 Quoting: Anonymous Coward 39727873


[link to www.cenapred.unam.mx]
May 12 19:00 h (May 13, 00:00 GMT)
Since the last bulletin at 10:00 h, the monitoring system of Popocatépetl volcano registered 3 h of segments of harmonic tremor of medium and high amplitude, between 10:00 h and 11:12 h, and since 17:30 h to the moment of this report. Additionally, the system registered 20 exhalations of low to moderate intensity. The most important occurred at 14:16 h, which had explosive component.
Until an hour ago there was not visibility to the volcano, due to the cloudy conditions in the area. Since 18:00 h it was possible to observe the crater and the continuous emission of a steam and gas plume, and occasionally denser pulses containing small to moderate amounts of ash (see image 8), heading to northeast.
The harmonic tremor that began at 17:30 h continues at the moment to finish this report and has a tendency to increase.



seismic
[link to www2.ssn.unam.mx]
 Quoting: Anonymous Coward 10430836


[link to www.washingtonpost.com]
Mexico readies shelters after volcano tremors increase, steam plume spews into sky
...The government deployed soldiers and federal police to the area Sunday in the event of a bigger eruption, and officials closed off a seven-square-mile (18-square-kilometer) zone around the cone of the 17,886-foot (5,450-meter) volcano. State authorities prepared shelters...
 Quoting: Anonymous Coward 39761428


[link to www.cenapred.unam.mx]
May 14 10:00 h (May 14, 15:00 GMT)
During the last 24 hours volcanic monitoring system registered about 3 hours of middle-amplitude harmonic tremor and sometimes showed saturation in the registry. The tremor was made in segments pulses with durations up to 17 minutes maximum. Additionally there have been 27 exhalations, however relevant climatic conditions of yesterday did not allow clearly see the volcano, thus, can not confirm the emission of ash during the afternoon.

At 15:52 h and 21:49 h of the day yesterday, two volcanotectonic events was registered of Mc = 1.6 and 1.4 degrees. Today at 08:01 h was an event of Mc = 1.9 degrees. At 09:56 h there was an explosive event that generated an emission of steam and gas with moderate amounts of ash that reached a height of 3 km above the crater and threw fragments fell over a distance of 600 m on the side of the volcano, according to the wind direction, the emision had a NE direction. Prior to the explosion plume emission was observed with a vertical direction and narrow shape. (see Figure 1) . (see Figure 2) . (see picture 3) . (see picture 4) . (see figure 5) . (see figure 6) . (see Figure 7) . From the town of Tianguismanalco shows the emission of ash that can be clearly differentiated from the area of cloudiness in the volcano. (see Figure 8) .
Figures:
[link to www.cenapred.unam.mx]

some pics very impressive
Anonymous Coward
User ID: 1480193
United States
05/14/2013 05:39 PM
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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
[link to volcans.blogs-de-voyage.fr]
Even if seismicity is frequent in this area, one is impressed by the seismic swarm that is taking place off the Reykjanes Peninsula. These tectonic events show the forces that are exerted in Iceland, the emergence of the Mid-Atlantic ridge and the witness of the accretion between the North American and Eurasian plates.


the melt season began, the main events ahead
 Quoting: Anonymous Coward 39727873


[link to www.nature.com]
Global carbon dioxide levels near worrisome milestone
Concentrations of greenhouse gas will soon surpass 400 parts per million at sentinel spot.

Richard Monastersky 30 April 2013

Near the moonscape summit of the Mauna Loa volcano in Hawaii, an infrared analyser will soon make history. Sometime in the next month, it is expected to record a daily concentration of carbon dioxide in the atmosphere of more than 400 parts per million (p.p.m.), a value not reached at this key surveillance point for a few million years...
 Quoting: Anonymous Coward 39727873


[link to bprc.osu.edu]
Jason E. Box, PhD
Byrd Polar Research Center
The Ohio State University
Columbus, OH, USA
Phone: +1 614 506 0830
Email: box.11 @ osu.edu
Jason Box Professional Bio
CONTENTS
•Greenland Ice Sheet Snowline
•Greenland Ice Surface Temperature Monitoring
•Greenland Ice Albedo Monitoring

Jason Box @climate_ice
March 2013 was the warmest in SW Greenland since start of Danish on-ice climate monitoring stations in 2007

[link to www.meltfactor.org]
May 3rd, 2013
Greenland “snow drought” makes big 2013 melt more likely
Figure 1. Western ice sheet snowfall totals are 30%-70% of normal. Brown areas have less than ‘normal’ precipitation:
[link to www.meltfactor.org]
Multiple melt factors combine to increase the odds of more melt water runoff from the ice sheet during the 2013 melt season:

1.less ‘cold content’ of snow to melt away (ablate) for a given energy input before bare ice is exposed;
2.a longer period of exposed darker bare ice, in this case weeks earlier bare ice exposure is likely unless a big snow dump before or during the coming warm season;
3.Less snow leads to a smaller refreezing capacity in the lower accumulation area. Thanks Robert Fausto of GEUS for reminding me of this one.
4.a possible higher concentration of light absorbing impurities per unit volume of snow, assuming that the impurities are deposited whether or not it snows.
This pattern results from a persistent atmospheric anomaly, blocking cold air transport southward along west Greenland, producing relatively warm temperatures there while northwestern Europe has had a cold winter (Figure 2 [link to www.meltfactor.org]
The precipitation anomaly is manifesting in abnormally low land and ice sheet reflectivity (albedo) (Figure 3)...
 Quoting: Anonymous Coward 39833651


bump
Anonymous Coward
User ID: 39833651
Russian Federation
05/14/2013 05:46 PM
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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
[link to www.avo.alaska.edu]
AVO/USGS Volcanic Activity Notice

Volcano: Pavlof (CAVW #1102-03-)

Current Volcano Alert Level: WATCH
Previous Volcano Alert Level: NORMAL

Current Aviation Color Code: ORANGE
Previous Aviation Color Code: GREEN

Issued: Monday, May 13, 2013, 11:38 AM AKDT (20130513/1938Z)
Source: Alaska Volcano Observatory
Notice Number: 2013/A9
Location: N 55 deg 25 min W 161 deg 53 min
Elevation: 8261 ft (2518 m)
Area: Alaska Peninsula Alaska

Volcanic Activity Summary: Seismic activity at Pavlof Volcano increased this morning commensurate with the presence of an intense thermal anomaly at the summit observed in latest satellite imagery. Similar patterns of seismicity and elevated surface temperatures have previously signaled the onset of eruptive activity at Pavlof. Although not yet visually confirmed, a low-level eruption of lava has likely begun from a summit vent. No ash clouds have been detected...

[link to www.volcano.si.edu]
Pavlof
Volcano Type: Stratovolcano
Volcano Status: Historical
Last Known Eruption: 2007
...Pavlof has been frequently active in historical time, typically producing strombolian to vulcanian explosive eruptions from the summit vents and occasional lava flows. The active vents lie near the summit on the north and east sides. The largest historical eruption of Pavlof took place in 1911, at the end of a 5-year-long eruptive episode. During this eruption a fissure opened on the northern flank of the volcano, ejecting large blocks and issuing lava flows.
 Quoting: Anonymous Coward 39761428


[link to www.avo.alaska.edu]
ALASKA VOLCANO OBSERVATORY DAILY UPDATE
Tuesday, May 14, 2013 11:48 AM AKDT (Tuesday, May 14, 2013 19:48 UTC)

PAVLOF VOLCANO (CAVW #1102-03-)
...Following an increase in seismic activity and presence of intense elevated surface temperatures yesterday, eruptive activity at Pavlof has been confirmed. Pilot reports and satellite images today reveal that a spatter-fed lava flow has advanced about a half a kilometer down the north flank of the volcano. See an image at [link to www.avo.alaska.edu] Minor steam and ash emissions are visible at the summit from nearby Cold Bay

CLEVELAND VOLCANO (CAVW #1101-24-)
...Elevated surface temperatures continued at Cleveland Volcano over the past 24 hours. No explosions have been detected by regional infrasound data. Analysis of recent satellite imagery revealed a 100-m-wide lava flow, breaching the southeast rim of the summit crater, and extending about 1.5 km down the southeast flank.

Sudden explosions of blocks and ash are possible with little or no warning. Ash clouds, if produced, could exceed 20,000 feet above sea level...
Anonymous Coward
User ID: 39863789
Russian Federation
05/15/2013 02:49 AM
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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
...


[link to www.cenapred.unam.mx]

May 12 02:40 h (Mayo 12, 07:40 GMT)

In the past two weeks the activity of Popocatépetl volcano has increased. Today an increase in the general levels of activity was noticed, in particular some explosions, volcanotectonic seisms, tremor episodes and exhalation trains, so based on the recomendatio of the Scientific Assesing Comitee, the Interior Ministry decided to increase the Volcanic Alert Level to Yellow, Phase 3.

May 12 10:00 h (May 12, 15:00 GMT)

The increase in the general activity of Popocatepetl volcano during the last weeks and especially the acceleration of the seismic activity registered yesterday, today at 01:40 am, the Interior Ministry raised the Volcanic Alert Level to Yellow Phase 3. During the period in which the volcanic traffic light remains in this level, two bulletins will be issued daily: the first at 10:00 am, with a summary of the activity of the last 24 h and the second at 07:00 pm, featuring updating the data reported in the first. If necessary, the updates will be reported more frequently.

During the last 24 h, the monitoring system of Popocatepetl volcano registered a long episode of harmonic tremor of high amplitude, beginning yesterday at 16:00 h (local time) until 05:45 h (local time) of this early morning (see image 1). This activity was accompanied by the emission of a continuous steam and gas plume, containing small to moderate amounts of ash, which was released in denser pulses (see image 2). The emission of incandescent fragments was also observed sporadically, which mainly fell in to the crater interior. However, at 01:10 h, some part of these fragments fell on the highest part of the volcano north-northeast flanks, at maximum distance of 300 m (see imagen 3), (seeimagen 4). The tremor was registered in several stages of 1 to 2 hours of duration, continuously or in segments. Each stage began with an explosion of moderate intensity. The most important occurred at 17:00 h (local time) and was perceived by much of the villages close to the east and southeast flanks of the volcano.

From 05:45 h to 07:26 h the harmonic tremor decreased in amplitude and was registered in segments, which gradually spaced themself. At 07:27 h (see image 5) and at 08:10 h, two other exhalations with explosive component were recorded and were followed by new segments of harmonic tremor of high amplitude, between 08:39 h and 08:58 h.

Additionally, during the last 24 h the monitoring system registered 60 exhalations of low to moderate intensity, accompanied by the emission of a steam and gas plume, and possibly by small to moderate amounts of ash; although it was not possible to observe this clearly...
 Quoting: Anonymous Coward 39727873


[link to www.cenapred.unam.mx]
May 12 19:00 h (May 13, 00:00 GMT)
Since the last bulletin at 10:00 h, the monitoring system of Popocatépetl volcano registered 3 h of segments of harmonic tremor of medium and high amplitude, between 10:00 h and 11:12 h, and since 17:30 h to the moment of this report. Additionally, the system registered 20 exhalations of low to moderate intensity. The most important occurred at 14:16 h, which had explosive component.
Until an hour ago there was not visibility to the volcano, due to the cloudy conditions in the area. Since 18:00 h it was possible to observe the crater and the continuous emission of a steam and gas plume, and occasionally denser pulses containing small to moderate amounts of ash (see image 8), heading to northeast.
The harmonic tremor that began at 17:30 h continues at the moment to finish this report and has a tendency to increase.



seismic
[link to www2.ssn.unam.mx]
 Quoting: Anonymous Coward 10430836


[link to www.washingtonpost.com]
Mexico readies shelters after volcano tremors increase, steam plume spews into sky
...The government deployed soldiers and federal police to the area Sunday in the event of a bigger eruption, and officials closed off a seven-square-mile (18-square-kilometer) zone around the cone of the 17,886-foot (5,450-meter) volcano. State authorities prepared shelters...
 Quoting: Anonymous Coward 39761428


[link to www.cenapred.unam.mx]
May 14 10:00 h (May 14, 15:00 GMT)
During the last 24 hours volcanic monitoring system registered about 3 hours of middle-amplitude harmonic tremor and sometimes showed saturation in the registry. The tremor was made in segments pulses with durations up to 17 minutes maximum. Additionally there have been 27 exhalations, however relevant climatic conditions of yesterday did not allow clearly see the volcano, thus, can not confirm the emission of ash during the afternoon.

At 15:52 h and 21:49 h of the day yesterday, two volcanotectonic events was registered of Mc = 1.6 and 1.4 degrees. Today at 08:01 h was an event of Mc = 1.9 degrees. At 09:56 h there was an explosive event that generated an emission of steam and gas with moderate amounts of ash that reached a height of 3 km above the crater and threw fragments fell over a distance of 600 m on the side of the volcano, according to the wind direction, the emision had a NE direction. Prior to the explosion plume emission was observed with a vertical direction and narrow shape. (see Figure 1) . (see Figure 2) . (see picture 3) . (see picture 4) . (see figure 5) . (see figure 6) . (see Figure 7) . From the town of Tianguismanalco shows the emission of ash that can be clearly differentiated from the area of cloudiness in the volcano. (see Figure 8) .
Figures:
[link to www.cenapred.unam.mx]

some pics very impressive
 Quoting: Anonymous Coward 39833651


John Seach @johnseach 5 h
#Popocatepetl volcano, #Mexico. 350 m diameter lava dome in summit crater. High level eruptions possible due to magma ascent.
Anonymous Coward
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05/15/2013 02:51 AM
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[link to volcans.blogs-de-voyage.fr]
...On Popocatepetl, harmonic tremor segments of medium and large amplitude are still registered. Intervals between these episodes are getting longer.

An explosive event occurred on May 14th at about 10 o’clock. A flight performed after this event revealed that the dome was 350 metres in diameter and 50 metres thick. After the explosion, the dome appeared to have slightly deflated. CENAPRED scientists think that the explosion might represent the beginning of the dome’s destruction.
Luisport

User ID: 39892177
Portugal
05/15/2013 06:25 PM

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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
Thread: Massive underwater volcano discovered off the coast of southeast Alaska!!! Alaska’s Pavlof Volcano rumbles- unleashes 20,000 ft cloud of ash!!!
Luisport

User ID: 40034414
Portugal
05/18/2013 07:36 AM

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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
Carl

May 18, 2013 at 11:02


Something just started at Dyngjökull. Might be a jökulhlaup.
[link to hraun.vedur.is]
Reply
Renato Rio

May 18, 2013 at 11:10


Where is it located? Cannot find it over the IMO site…



Carl

May 18, 2013 at 11:14


It is the northwestern SIL at Vatnajökull:
[link to hraun.vedur.is]

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Luisport

User ID: 40034414
Portugal
05/18/2013 08:21 AM

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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
Carl

May 18, 2013 at 11:02


Something just started at Dyngjökull. Might be a jökulhlaup.
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Renato Rio

May 18, 2013 at 11:10


Where is it located? Cannot find it over the IMO site…



Carl

May 18, 2013 at 11:14


It is the northwestern SIL at Vatnajökull:
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 Quoting: Luisport



Carl

May 18, 2013 at 11:57


And whatever it was it ended as abruptly as it started. Could have been a dike or sill emplacement. Not a clue really, probably not a jökulhlaup though since it lasted such a short time.
I think this is yet another sign of Bárdarbunga slowly awakening.
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