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World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!

 
Luisport (OP)

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02/15/2012 05:17 PM

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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
 Quoting: Anonymous Coward 10851369


hf Thank's!
Luisport (OP)

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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
 Quoting: Anonymous Coward 10851369


hf Thank's!
Luisport (OP)

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02/15/2012 05:22 PM

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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
Carl le Strange says:
February 15, 2012 at 22:11
@Lurking:
Could you do a plot on Heklas GPS…
I think we will see something very peculiar if you use the data from Sigrún Hreinsdottir.

Reply
Newby says:
February 15, 2012 at 22:11
I will certainly be watching for a couple of hours Diana, who cares how tired I am tomorrow if something kicks off tonight. Hope pooper is still doing well.

Reply
Carl le Strange says:
February 15, 2012 at 22:12
If anyone is ontop of Hekla I hope they are walking towards the east…

[link to volcanocafe.wordpress.com] CARL THINKS SOMETHING IS HAPPENING!!! hEKLA DON'T GIVE WARNINGS AND VERY VERY FEW ERTHQUAKES!!!
Luisport (OP)

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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
bump
Anonymous Coward
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02/15/2012 05:28 PM
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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
Carl le Strange says:
February 15, 2012 at 22:11
@Lurking:
Could you do a plot on Heklas GPS…
I think we will see something very peculiar if you use the data from Sigrún Hreinsdottir.

Reply
Newby says:
February 15, 2012 at 22:11
I will certainly be watching for a couple of hours Diana, who cares how tired I am tomorrow if something kicks off tonight. Hope pooper is still doing well.

Reply
Carl le Strange says:
February 15, 2012 at 22:12
If anyone is ontop of Hekla I hope they are walking towards the east…

[link to volcanocafe.wordpress.com] CARL THINKS SOMETHING IS HAPPENING!!! hEKLA DON'T GIVE WARNINGS AND VERY VERY FEW ERTHQUAKES!!!
 Quoting: Luisport


yeah, it's a very dangerous volcano. once it gets going, it gives NO warning, apart from little signals like the one we're seeing here, BUT it has shown transients like this before and not erupted.

it'll do what it damn well wants to do, basically! lol
Luisport (OP)

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02/15/2012 05:34 PM

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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
Diana Barnes says:
February 15, 2012 at 22:31
Michi Hekla is the exception to the rule. last eruption there were only two small quakes and 45 mins later…. BOOOM!
Hekla is known not to give much warning. This is why the IMO and emergency services have warned people not to walk on the mountain for the last 6 months.

[link to volcanocafe.wordpress.com]
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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
islander says:
February 15, 2012 at 22:35
To me the “Bulls-Eye” location is supicious. Its shallow but likely on to- of shallowest “chamber” (Carl La Strange says). There have been several small quakes in Hekla in recent times, I remember one last August, then others around it, even recently. This one is under it (very near top crater, thats rather in West end). Itheresting, I do not say its gonna go now. But anything can happen.

[link to volcanocafe.wordpress.com]
Luisport (OP)

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02/15/2012 05:41 PM

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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
Earthquake swarm in Katla volcano, earthquake in Hekla volcano
Posted on February 15, 2012 by Jón Frímann
Tonight at 21:13 UTC there was an earthquake with the size of ML1.2, it had the depth of 0.1 km. But that is about 100 meters. This is the second earthquake in Hekla volcano during that past three weeks (almost an month since last earthquake did happen in Hekla volcano). So far nothing more has happened. But that might change without warning.

Katla volcano

Today at 16:04 to 16:27 UTC there was an minor earthquake swarm in Katla volcano. The largest earthquake had the size of ML2.6, with the depth of 1.4 km. Like before this earthquake swarm was because of an dike intrusion into Katla volcano caldera. But this suggests that the unrest that started in Katla volcano in July 2011 is not over. But for the moment it continues at lower rate then before. But that might also change without warning at any time.

It is impossible to know for sure what is going to happen next in both of this volcano. But it is clearly worth watching what is going on. The earthquake in Hekla volcano can clearly be seen on my Heklubyggð geophone, as it forms an clear spike on it, the web site can be found here. Same does the largest earthquake from Katla volcano earlier today.

[link to www.jonfr.com]
Luisport (OP)

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02/15/2012 05:45 PM

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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
[link to www.simnet.is]
Luisport (OP)

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02/16/2012 06:59 AM

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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
Hekla – Probably not erupting
Posted on February 15, 2012 by volcanocafe
At 21.13.31 Icelandic time Hekla had an earthquake at 0.1km depth. The earthquake was 1.4km west of Heklas top, that places it roughly at the center spot for the 1947 eruption.


Image by IGN: Earthquake at 1.2M at Hekla proper.
The location puts it 1500 meters from the top of Hekla, and at a location that is inferred to be right on top of the fissure chamber running right under Hekla. The current quake is in a suitable spot since magma seems to have moved to the west during the last two weeks.

It is hard to make any conclusion out of the changes in the magma that might have happened. I am hoping that we might get a good plot soon from the master of plots, GeoLurking that will shed some light on this.


Image by IGN: No large transient after the earthquake at Hekla.
This is probably not an eruption

The reason for this is the lack of strainmeter transients, the lack of micro-quakes, and no changes in tremor levels. This might at any time change. I advice everyone to carefully follow the information given by IMO and Almannavarnir.


Image by IMO: The earthquake is very visible on the Mjoaskerd SIL-station. No harmonic tremor component is yet visible, even on higher resolution.
Before an eruption there should be visible “popcorn”, and series of small earthquakes, and probably a 2M earthquake. There is nothing like that now.

If nothing more happens during the next 8 hours the danger is most likely over for this time.

For those who want to read up on Hekla I strongly advice to read my posts on Hekla, you can get them by clicking on the word hekla on the right side of the page under Categories. The apropriate articles are named Hekla.

Also, for those who I have told that volcanoes do not react to any small earthquake. Well, let us just say that Hekla is the only known exception to that rule. My articles explain why, look under Hekla.

CARL
[link to volcanocafe.wordpress.com]
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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
Magma plume: Volcanologists monitor swarm of new tremors under El Hierro Island
Posted on February 16, 2012 by The Extinction Protocol
February 16, 2012 – CANARY ISLANDS - The submarine eruption south of El Hierro Island could be in a process of change: While visible activity on the sea surface above the vent, as well as harmonic tremor signal (thought to be more or less proportional to erupting magma flux) have nearly ceased, the number of earthquakes under the island has increased sharply since yesterday. On 15 February, more than 20 quakes were measured. Most of the earthquakes were very small, well below magnitude 2, and were clustered beneath the NW and SW sectors of the island at depths of around 10 km. There is no conclusive interpretation of this measurement. A possible (and usually assumed) scenario is that rising new magma from the mantle reservoir is creating new intrusions and rupturing rock to create pathways in the crust under El Hierro, not using the same paths as until now. That would explain why less magma is currently being erupted at the current vent(s). In that scenario, the eruption will continue, perhaps even from a different vent and an increase in magma output is going to be expected any time soon. However, this is speculation. The earthquakes could as well be related to some other (known or unknown) process, e.g. gravity-induced adjustments that respond to pressure changes and occur within previously ruptured areas of the crust beneath the island. The next days or weeks will show what happens next. –Volcano Discovery
[link to theextinctionprotocol.wordpress.com]
Luisport (OP)

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02/16/2012 07:12 AM

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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
GeoLurking says:
February 16, 2012 at 01:54
Jeeze… drive 120 miles down, do a job, get 60 miles back only to find out that another one just hit the que for a site 10 miles further than where you just left.

I haven’t even updated my Iceland quake listing since November. Eh, it needed doing anyway.

Two plots. Plot one are the quakes that led to Hekla’s last eruption.
(color denotes depth)

[link to i44.tinypic.com]

The quakes started low, made an arc and popped the cork in about one hour. They didn’t cross the threshold of human perception until about 15 minutes before it went.

This plot… is a most interesting plot. It covers all of 2011 to today.

[link to i43.tinypic.com]

Note the circle. Thats the area that has Carl’s ears perked up. Those quakes are “stacked” at approximately 4.8, 2.2, 1.3, 0.14 and 0.1 km depth.

(BTW: “stacked” is my term for a group of quakes that seem to line up in a somewhat vertical column)

The part that has my interest. Note the rather spread out set of quakes to the south east of that area. That is along the path that the 2000 swarm took.

Remember, these are 2011 quakes, so they aren’t really closely related in time to the 2000 event, after shocks from that swarm would have died out long ago… this seems to be fresh.

[link to volcanocafe.wordpress.com]
Luisport (OP)

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02/16/2012 11:16 AM

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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
February 14, 2012

United States / Oregon / Mount Hood
For a half-million years, Mount Hood has towered over the landscape, but unlike some of its cousins in Oregon’s Cascade Mountains and many other volcanoes around the Pacific “Rim of Fire,” it doesn’t have a history of large, explosive eruptions. The reason, Koleszar says, is that eruptions at Mount Hood appear to be preceded by episodes of intense mixing between magmas of different temperatures. $$$$$

Guatemala / Fuego volcano
Fuego volcano (Guatemala), activity update: weak ash explosions, lava flows on the southwestern flank
Weak ash explosions continue at Fuego volcano. INSIVUMEH reported for 13 February that 9 eruptions were counted, producing plumes up to 500 m high and occasional rumbling noises. A steam plume is rising constantly about 100 m from the crater. The ash drifted 8 miles WSW.
The new lava flow on the southwest flank in the direction of the Taniluya ravine is still active and about 200 m long. Blocks that detach from its front form small block avalanches that reach the vegetation. (source Volcano Discovery) [link to earthquake-report.com]



Last Edited by Luisport on 02/16/2012 11:18 AM
Anonymous Coward
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02/16/2012 02:59 PM
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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
Earthquake swarm in Katla volcano, earthquake in Hekla volcano
Posted on February 15, 2012 by Jón Frímann

It is impossible to know for sure what is going to happen next in both of this volcano.
[link to www.jonfr.com]
 Quoting: Luisport



All as usual))
Anonymous Coward
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02/16/2012 05:43 PM
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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
Iceland. Activity near Krafla-Askja
[link to hraun.vedur.is]

More about Krafla:

It contains a 10 x 8 km caldera.
In 1724, Krafla began an eruption that lasted for five years. This eruption was called "The Myvatn Fires." It was named for the nearby area of Myvatn, which is a rich farming district and very well populated. During this eruption, lava flowed from a ~7 mile (11 km) long fissure until it reached ~12.5 miles (20 km) in length after one year
[link to volcano.oregonstate.edu]
Anonymous Coward
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02/16/2012 06:06 PM
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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
people who say the Earth is 4.5 billion years old are idiots. There's no way the center of the earth would still be hot lava if the earth was 4 billion years old. Space is extremely cold, every night heat pours off the planet into space.
 Quoting: Anonymous Coward 6129226


Pressure creates heat, theres always great pressure under the earth so there will always be hot lava. Nothing to do with earths age.
Luisport (OP)

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02/17/2012 06:15 AM

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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
Update 17/02 – 00:38 UTC
– We have just seen burning lava balloons on the eruption webcam. Upper left part of the screen. they must be rather big as they burned for several seconds. Hopefully it will be repeated for people who start to look now.

[link to www.youtube.com]

Last Edited by Luisport on 02/17/2012 06:15 AM
Luisport (OP)

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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
About 15 minutes to twelve last night Hekla suffered a mini-quake.
At one o’clock tonight there was a shallow harmonic tremor at Heklas Mjoaskard SIL
[link to hraun.vedur.is]
It affected the Hekla Borehole, that had a flexation during this time. It started at the instant of the mini-quake, and ended with the start of the harmonic tremor pulse.
[link to hraun.vedur.is]

Even if the event is very small, it is rather interesting.
Luisport (OP)

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02/17/2012 09:22 AM

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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
Tinakula, a small volcanic island in the South Pacific that has been caught doing some huffing and puffing this week by NASA satellites
[link to www.ouramazingplanet.co...]
Luisport (OP)

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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
Merapi has been agitated in recent days, according to the latest information this might be due to the formation of a lava dome like for Semeru.
[link to news.okezone.com]
[link to owblabla.com]
[link to www.tempo.co]
[link to berita.plasa.msn.com]
The recent activity from Galunggung do not disturb that the humans
[link to www.metrotvnews.com]
Some pictures of volcanic murmurs
[link to www.oysteinlundandersen...]
[link to www.flickr.com]
[link to www.youtube.com]
[link to earthobservatory.nasa.g...]
[link to www.wired.com]
Luisport (OP)

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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
International disaster training drill simulates 8.0 earthquake hitting Mexico and unleashing volcanic firestorm
Posted on February 17, 2012 by The Extinction Protocol


Why so many disaster simulation drills?
February 17, 2012 – SAN DIEGO - Don’t call us paranoid, but why is the world suddenly having so many disaster simulation drills? Besides the New Madrid quake drill in the U.S, the latest exercise involves several nations and is hosted by San Diego State University. Exercise 24 (X24) Mexico is the third iteration of a primarily virtual, open-invitation, humanitarian assistance and disaster relief (HADR) exercise with real-world functional components that is hosted by San Diego State University’s “Immersive Visualization Center” (VizCenter). Public Event kicks-off February 08-09, 2012 at 8:00am PST -Hosted by San Diego State University Immersive Visualization Center.
X 24 Excercise: Participants include: Department of Homeland Security, Office of Health Affairs, NORAD-NORTHCOM, US Customs and Border Protection, Global Borders College, Mexican Army and Navy, Mexico Federal Police, Vietnam Ministry of Defense, India National Disaster Management Agency, World Shipping Council, Red Cross, Pacific Disaster Center, NYK Logistics (yusen logistics), National defense University.
“The Viz Center is a physical space but one that largely represents relationships between people and organizations collectively attempting to positively impact the worlds of Humanitarian Assistance Disaster Relief, Community Resilience, Search and Rescue, and aid to operational Emergency Responders and Homeland Security.” -Viz Center
[link to theextinctionprotocol.wordpress.com]
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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
Luisport (OP)

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02/17/2012 10:07 AM

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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
Tinakula, a small volcanic island in the South Pacific that has been caught doing some huffing and puffing this week by NASA satellites
[link to www.ouramazingplanet.co...]
 Quoting: Luisport


Tinakula is a conical stratovolcano which forms an island north of Nendo in Temotu Province, the Solomon Islands. It lies at the north end of the Santa Cruz Islands. It is about 3.5 km wide and rises 851 m above sea level, but rises three or four km above the sea floor. It erupts approximately every hour in a plume of ash and rocks. The volcano was first recorded in eruption in 1595 when Álvaro de Mendaña sailed past on his round the world voyage.

This natural-color satellite image (top) shows a plume of volcanic gas, possibly mixed with a little ash, rising above the island’s summit. On February 13th and 14th, 2012, NASA’s Moderate Resolution Imaging Spectroradiometer (MODIS) detected heat signatures on Tinakula, and a small plume was apparent in visible imagery (lower image). Over the past decade satellites have detected intermittent “thermal anomalies” that suggest eruptions have taken place, but eyewitness observations are infrequent. The images was collected by the Advanced Land Imager (ALI) on the Earth Observing-1 (EO-1) satellite (top) and MODIS on the Terra satellite on February 14, 2012.
The island is uninhabited. A previous population was eradicated when the volcano erupted around 1840 and pyroclastic flows swept all sides of the island.
In 1951, polynesians from Nukapu and Nupani settled on the island, which reached a peak population of 130, before it had to be evacuated again during the 1971 eruption. The village of Temateneni was on the southeast coast. In the late 1980s, two families (less than 10 people) from Nupani made another attempt at settlement.

[link to earthquake-report.com]
Luisport (OP)

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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
February 16, 2012

Active volcanoes in the world

14 volcanoes have shown signs of activity last week. New unusual activity has been noticed around 5 volcanoes (below).

CLEVELAND
Alaska, Chuginadak Island 52.825°N, 169.944°W; summit elev. 1730 m
AVO reported that during 8-14 February there were no observations of elevated surface temperatures or ash emissions from Cleveland because of partly cloudy conditions. On 10 February satellite observations revealed that the lava dome had grown to about 50 m in diameter. The Volcano Alert Level remained at Watch and the Aviation Color Code remained at Orange. No current seismic information was available because Cleveland does not have a real-time seismic network.

GALUNGGUNG
Western Java (Indonesia) 7.25°S, 108.058°E; summit elev. 2168 m
On 13 February, CVGHM reported that from September 2011 to 8 February 2012 discolorations in the crater lake water at Galunggung were observed. In addition, a sudden increase in water temperature was measured, from 27 degrees Celsius on 5 February to 40 degrees on 8 February. Based on seismic data and crater lake observations, CVGHM raised the Alert Level from 1 to 2 (on a scale of 1-4) on 12 February and recommended staying at least 500 m away from the lake shore.

IJEN
Eastern Java (Indonesia) 8.058°S, 114.242°E; summit elev. 2799 m
CVGHM lowered the Alert Level for Ijen from 3 to 2 (on a scale of 1-4) on 8 February based on decreased seismicity and visual observations of white plumes rising as high as 300 m above the crater. In addition, a decrease in lake water temperature was measured, which ranged from 42 degrees Celsius on 20 January to 37 degrees on 2 February.


Lokon Emapung eruption last week - people trying to prevent inhaling the fine ash from the eruption - image courtesy TRIBUNMANADO/WARSTEF ABISADA
LOKON-EMPUNG
Sulawesi (Indonesia) 1.358°N, 124.792°E; summit elev. 1580 m
According to news articles, an explosion from the Tompaluan crater, in the saddle between the Lokon-Empung peaks, produced an ash plume that rose as high as 2 km above the crater on 10 February; loud “thumping” noises were also heard. Based on information from CVGHM, the Darwin VAAC reported ash plumes that rose to altitudes of 3-3.4 km (10,000-11,000 ft) a.s.l. during 10-12 February, though clouds prevented the detection of ash in satellite imagery.

REVENTADOR
Ecuador 0.077°S, 77.656°W; summit elev. 3562 m
IG reported that during 10-13 February new activity from Reventador was detected. Satellite images showed a thermal anomaly on 10 February. Based on pilot observations, the Washington VAAC reported an ash plume that rose to an altitude of 5.2 km (17,000 ft) a.s.l. and drifted NW. On 11 February ash-and-steam emissions drifted NW. Seismicity increased on 12 February and a lava flow descended the NE flank during 12-13 February. Crater incandescence was observed during 10-13 February.

Ongoing activity was noted among the following volcanoes : Etna, Sicily (Italy) – El Hierro, Canary Islands (Spain) – Karymsky, Eastern Kamchatka (Russia) – Kilauea, Hawaii (USA) – Kizimen, Eastern Kamchatka (Russia) – Popocatépetl, México – Puyehue-Cordón Caulle, Central Chile – Sakura-jima, Kyushu – Shiveluch, Central Kamchatka (Russia)

[link to earthquake-report.com]
Luisport (OP)

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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
Very interesting article about Yellowstone.

[link to www.ouramazingplanet.com]
Luisport (OP)

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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
Update 18/02 – 08:48 UTC
- Our title “Did the eruption (in the current vents) stopped completely ?” is based on a number of parameters like :
* very minor harmonic tremor, in a way that we have not seen since long
* no more visible degassing of the main vent
* no jacuzzi
* no visible or hard to see stain on the webcam
- Do we mean with these words that everything has stopped ? NO, not at all, but we only think that the currents vents may have been collapsed in a way that almost NO magma flow is occurring.
- Since midnight IGN has listed 7 earthquakes, all of them below the island itself or in the Las Calmas sea. This indicates that the magma is still trying to find his way to the surface. If the vent does not reopen, the earthquakes may rise again in number or strength (with a new uncertain and risky phase) or the volcano is throwing his towel in the ring (proverb) and the activity will stop for now. Next week will be once more decisive!
- We saw the Atlantic Explorer leaving the port of La Restinga about an hour ago.


[link to earthquake-report.com]
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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
Mt Fuji volcano (Japan): signs of volcanic unrest reported
Saturday, Feb 18, 2012
Reports are appearing about unrest and signs of a possible awakening of Mt Fuji volcano in Japan.
According to a report which includes an uncle... [link to www.volcanodiscovery.com]
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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
In Tenerife: Magnitude ML 3.3
Region CANARY ISLANDS, SPAIN REGION
Date time 2012-02-18 13:28:54.4 UTC
Location 28.09 N ; 16.35 W
Depth 31 km
Distances 43 km S Santa cruz de tenerife (pop 222,190 ; local time 13:28:54.4 2012-02-18)
20 km SE Santa Úrsula (pop 12,582 ; local time 13:28:54.4 2012-02-18)
16 km SE Arico (pop 7,189 ; local time 13:28:54.4 2012-02-18)
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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
Carl le Strange says:
February 18, 2012 at 15:51
Uhm…
Something interesting just happened.
IMO, just updated the quake plot… And with a whopping large revision of the quakes for the last 12 or so hours.
1. A line fracturing folloving the the Veidivötn fissure is clearly visible.
2. A large diffuse quake swarm happened from Bardarbunga up to around Krafla.

Both of these I think are signs of rifting proceses. I do not though like the line of 1.
[link to en.vedur.is]

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Carl le Strange says:
February 18, 2012 at 16:07
And something is moving down the line…
[link to hraun.vedur.is]
[link to hraun.vedur.is]

Probably nothing really, but I have never seen a line quake like this in one of the fissure swarms of the Dead Zone before. Just the thought makes me shudder.

[link to volcanocafe.wordpress.com]
Luisport (OP)

User ID: 11037834
Portugal
02/18/2012 02:45 PM

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Re: World Volcano Activity UPDATE !!! MARAPI AGAIN!!! KATLA AGAIN!!! SWARM STARTING IN ICELAND DORMANT VOLCANO Bláfjoll!!!
Rifting Fissure Eruption:
When Katla, Bardarbunga or Grimsvötn has a major and sudden influx of magma from the hotspot, and the fissure swarm of the volcano in question suffers a rifting opening it up. Then what happens is a VEI-6 at the central volcano, and a minimum of 10 cubic kilometers of lava erupts down a minimum of 100km fissure. It is the most destructive type of eruption likely to happen in the northern hemisphere.

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