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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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04/03/2013 01:32 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 mobile.twitter.com (secure)]
John Seach @johnseach 6 h
3 hour eruption of Mt #Etna volcano, Italy. Lava fountains and ash emissions. Spectacular sight on webcam.
John Seach @johnseach 8 h
#Lokon volcano, #Indonesia. Ash 10,000 ft altitude drifting south.
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04/03/2013 01:41 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 !
tomorrow we have 107 years of the strong eruption on Vesuv in 1906
 Quoting: Anonymous Coward 37367020


hf here in the preceding pages we have remembered about famous eruption of 1886 and gave link to unique photo of that eruption at British geological Service site:

[link to britgeoheritage.blogspot.co.uk]
 Quoting: Anonymous Coward 37370772


yes but ones was not dated on 4th April like the 1906 eruption

[link to www.ov.ingv.it]
Anonymous Coward
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04/03/2013 02:37 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 !
watching the last days of one eye and for Etna, and that's what an interesting correlation comes to mind:
active Etna - Canary sleep,
quietly on Etna - begins the next El Hierro "crisis".
brings to mind an open German geophysicists huge lava "tunnel" from the Canary Islands under mountains in Morocco and Tunisia - perhaps even to Sicily? cool2

then the question :
Etna seems going "up"
[link to www.ct.ingv.it]
if it confirms, then is whether the El Hierro seismic crisis ends ?

interesting...since the beginning of the El Hierro "seismic crisis" was no one Etna's paroxysm, although before it starts they came at Etna one by one...

especially for the idiots that are poorly versed in the subject matter (it's not 1st April joke ohyeah):

Duggen S., Hoernle K.A., Hauff F., Klügel A., Bouabdellah M., and Thirlwall M.F., 2009:
Flow of Canary mantle plume material through a subcontinental lithospheric corridor beneath Africa to the Mediterranean. Geology, 37 (3), 283-286.

 Quoting: Anonymous Coward 37370772


apparently, for the most slow-witted further clarification is required tounge

here does not talk about that today lava flows from La Restinga and two weeks later, traveling at the speed of the cyclist, is poured on Etna
it says here (basing on mentioned scince article) that these two points, Canarian plume and Mediterrian , were connected by a tunnel, which may exist even at the present time. Which ensures the correlation of movement of magma at one end of the tunnel with the movements of magma at the other end (in addition to the correlation provided by plate tectonics).
simple as possible, then only go into sign language baby
Anonymous Coward
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04/03/2013 02:40 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 !
tomorrow we have 107 years of the strong eruption on Vesuv in 1906
 Quoting: Anonymous Coward 37367020


hf here in the preceding pages we have remembered about famous eruption of 1886 and gave link to unique photo of that eruption at British geological Service site:

[link to britgeoheritage.blogspot.co.uk]
 Quoting: Anonymous Coward 37370772


yes but ones was not dated on 4th April like the 1906 eruption

[link to www.ov.ingv.it]
 Quoting: Anonymous Coward 37367020


Thanks ! hf
Excellent article, rare illustrations !
Anonymous Coward
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04/03/2013 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 !
watching the last days of one eye and for Etna, and that's what an interesting correlation comes to mind:
active Etna - Canary sleep,
quietly on Etna - begins the next El Hierro "crisis".
brings to mind an open German geophysicists huge lava "tunnel" from the Canary Islands under mountains in Morocco and Tunisia - perhaps even to Sicily? cool2

then the question :
Etna seems going "up"
[link to www.ct.ingv.it]
if it confirms, then is whether the El Hierro seismic crisis ends ?

interesting...since the beginning of the El Hierro "seismic crisis" was no one Etna's paroxysm, although before it starts they came at Etna one by one...

especially for the idiots that are poorly versed in the subject matter (it's not 1st April joke ohyeah):

Duggen S., Hoernle K.A., Hauff F., Klügel A., Bouabdellah M., and Thirlwall M.F., 2009:
Flow of Canary mantle plume material through a subcontinental lithospheric corridor beneath Africa to the Mediterranean. Geology, 37 (3), 283-286.

 Quoting: Anonymous Coward 37370772


apparently, for the most slow-witted further clarification is required tounge

here does not talk about that today lava flows from La Restinga and two weeks later, traveling at the speed of the cyclist, is poured on Etna
it says here (basing on mentioned scince article) that these two points, Canarian plume and Mediterrian , were connected by a tunnel, which may exist even at the present time. Which ensures the correlation of movement of magma at one end of the tunnel with the movements of magma at the other end (in addition to the correlation provided by plate tectonics).
simple as possible, then only go into sign language baby
 Quoting: Anonymous Coward 37379728


could such a tunnel lubricate a massive subduction event?

anyway, noticing something odd at El Hierro

[link to www.ign.es]

notice the bright yellow colour? been like that since early this morning. what it means I don't know.
Anonymous Coward
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04/03/2013 03:11 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 !
watching the last days of one eye and for Etna, and that's what an interesting correlation comes to mind:
active Etna - Canary sleep,
quietly on Etna - begins the next El Hierro "crisis".
brings to mind an open German geophysicists huge lava "tunnel" from the Canary Islands under mountains in Morocco and Tunisia - perhaps even to Sicily? cool2

then the question :
Etna seems going "up"
[link to www.ct.ingv.it]
if it confirms, then is whether the El Hierro seismic crisis ends ?

interesting...since the beginning of the El Hierro "seismic crisis" was no one Etna's paroxysm, although before it starts they came at Etna one by one...

especially for the idiots that are poorly versed in the subject matter (it's not 1st April joke ohyeah):

Duggen S., Hoernle K.A., Hauff F., Klügel A., Bouabdellah M., and Thirlwall M.F., 2009:
Flow of Canary mantle plume material through a subcontinental lithospheric corridor beneath Africa to the Mediterranean. Geology, 37 (3), 283-286.

 Quoting: Anonymous Coward 37370772


apparently, for the most slow-witted further clarification is required tounge

here does not talk about that today lava flows from La Restinga and two weeks later, traveling at the speed of the cyclist, is poured on Etna
it says here (basing on mentioned scince article) that these two points, Canarian plume and Mediterrian , were connected by a tunnel, which may exist even at the present time. Which ensures the correlation of movement of magma at one end of the tunnel with the movements of magma at the other end (in addition to the correlation provided by plate tectonics).
simple as possible, then only go into sign language baby
 Quoting: Anonymous Coward 37379728


could such a tunnel lubricate a massive subduction event?

 Quoting: Anonymous Coward 37111464


no doubt - of course, if itýs connected to the subduction zone cool2
Anonymous Coward
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04/03/2013 04:08 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 !
ohyeah

Etna parossismo 03.04.2013. Prima fase.

Anonymous Coward
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04/03/2013 04:09 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 !
Etna Parossismo 03.04.2013 - Fase 2

Anonymous Coward
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04/03/2013 04:17 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 !
this nice point of view

Anonymous Coward
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04/03/2013 04:29 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 !
close view
Anonymous Coward
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04/03/2013 04:31 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 !
everywhere ash
Anonymous Coward
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04/03/2013 05:20 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 !
damned

this nice point of view


 Quoting: Anonymous Coward 37379728


[link to www.wired.com]

!!!Boris Behncke!!! • 4 hours ago −

Well, in reality it is still there and
possibly bigger than ever before,
but lava is still oozing from several vents on the southern, southeastern and northeastern sides of the cone, and there is still a lot of unstable material sliding on the steep flanks of the cone, exposing the incandescent material underneath.
The copious fallout of huge amounts of still-fluid, truck-sized lumps of lava onto the flanks of the cone caused a flowage phenomenon known as "rheomorphic flow" - a "rheomorphic" lava flow is formed not by overflow from a vent but from the coalescing and flow of countless liquid blobs of lava falling on the ground. This phenomenon has occurred previously at the New Southeast Crater - also during the previous paroxysm on 16 March 2013 - but not on the same scale as today. To round things up, there was also a quite large pyroclastic flow on the upper western slope of the Valle del Bove
Anonymous Coward
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04/03/2013 05:23 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.wired.com]

Boris Behncke • 6 hours ago −
That was another great paroxysm at Etna's New Southeast Crater - and definitely the loudest I've ever heard!

Prelude: [link to www.flickr.com]

Fountain: [link to www.flickr.com]

... more to come!
Anonymous Coward
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04/03/2013 05:29 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 !
good question - good answer

[link to www.wired.com]

MutantDog • 10 hours ago −
What causes a flood basalt event ? I understand there is reason to correlate the Deccan Traps with a meteor strike... ?

Ed K MutantDog • 2 hours ago −
There are several schools of thought and as we always, a matter of debate. The meteor strike was suggested for the example you gave but I don't think there is a clear evidence (yet). Flood basalts and Large Igneous Provinces are not my specialty, but I've heard ideas ranging from initiation of continental rifting to the first emergence of a new mantle plume. Part of the problem is we have no active examples to work with. The again we have active hotspots and probable mantle plumes and what exactly is going there is still being resolved.
Anonymous Coward
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04/03/2013 05:37 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 !
i'm back and on the scale already appeared 300...
[link to www.ct.ingv.it]

look also at this
[link to www.ct.ingv.it]
 Quoting: Anonymous Coward 37343314


do you know how much it reach in the last big lava fountain?
 Quoting: Luisport


precise mathematical formula and a direct link between tremor and height of fountain no, tremor is only an indirect indicator (that's why you you can never predict the height of the fountain even for few minutes before eruption) cool2

fountain height depends on the rate of arrival of lava, on the characteristics of the camera where lava is mixed with water and saturated with gas, and the characteristics of the "outlet."
a tremor depends on many more additional features sockpuppet

don't remember correctly value for previous eruption (i guess it stored at INGV site), likely 150-200 (also question at wich station you mean)
 Quoting: Anonymous Coward 37343314


hope this explanation helped better understand the subject once vc did not help...
Anonymous Coward
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04/03/2013 05:38 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 !
I am a troll because I asked a question ? Just trying to see how many were venting ash and gas to determine effects in weather patterns this summer. Yes I quess this makes me at troll because discussion is not allowed on a forum.
Anonymous Coward
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04/03/2013 05:41 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 !
and going back to the beginning of this day tounge

...


finally "up"
[link to www.ct.ingv.it]
 Quoting: Anonymous Coward 37343314


[link to www.ct.ingv.it]
[link to www.villaducale.com]
[link to www.ct.ingv.it]
 Quoting: Anonymous Coward 37343314


and first Etna paroxysm after March, 16th bump
just now bump
exactly as was forecasted here bumpohyeah

[link to www.ct.ingv.it]

bump
 Quoting: Anonymous Coward 37343314


and your friends there as usual strongly risk to sleep away of all the most interesting (being in deep dreams about El Hierro, Bob etc. ohyeah) :
still nothing about Etna (after at least three hours after trend beginning)ohyeah

so let post them there uploaded here long time ago tremors chart
[link to www.ct.ingv.it]
maybe wake them ohyeah
 Quoting: Anonymous Coward 37343314
Anonymous Coward
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04/03/2013 05:48 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 !
watching the last days of one eye and for Etna, and that's what an interesting correlation comes to mind:
active Etna - Canary sleep,
quietly on Etna - begins the next El Hierro "crisis".
brings to mind an open German geophysicists huge lava "tunnel" from the Canary Islands under mountains in Morocco and Tunisia - perhaps even to Sicily? cool2

then the question :
Etna seems going "up"
[link to www.ct.ingv.it]
if it confirms, then is whether the El Hierro seismic crisis ends ?

interesting...since the beginning of the El Hierro "seismic crisis" was no one Etna's paroxysm, although before it starts they came at Etna one by one...

especially for the idiots that are poorly versed in the subject matter (it's not 1st April joke ohyeah):

Duggen S., Hoernle K.A., Hauff F., Klügel A., Bouabdellah M., and Thirlwall M.F., 2009:
Flow of Canary mantle plume material through a subcontinental lithospheric corridor beneath Africa to the Mediterranean. Geology, 37 (3), 283-286.

 Quoting: Anonymous Coward 37370772


apparently, for the most slow-witted further clarification is required tounge

here does not talk about that today lava flows from La Restinga and two weeks later, traveling at the speed of the cyclist, is poured on Etna
it says here (basing on mentioned scince article) that these two points, Canarian plume and Mediterrian , were connected by a tunnel, which may exist even at the present time. Which ensures the correlation of movement of magma at one end of the tunnel with the movements of magma at the other end (in addition to the correlation provided by plate tectonics).
simple as possible, then only go into sign language baby
 Quoting: Anonymous Coward 37379728


also useful
Anonymous Coward
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04/03/2013 05:52 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 !
best Etna's expert - gold fund :

[link to www.wired.com]

!!!Boris Behncke!!! • 4 hours ago −

Well, in reality it is still there and
possibly bigger than ever before,
but lava is still oozing from several vents on the southern, southeastern and northeastern sides of the cone, and there is still a lot of unstable material sliding on the steep flanks of the cone, exposing the incandescent material underneath.
The copious fallout of huge amounts of still-fluid, truck-sized lumps of lava onto the flanks of the cone caused a flowage phenomenon known as "rheomorphic flow" - a "rheomorphic" lava flow is formed not by overflow from a vent but from the coalescing and flow of countless liquid blobs of lava falling on the ground. This phenomenon has occurred previously at the New Southeast Crater - also during the previous paroxysm on 16 March 2013 - but not on the same scale as today. To round things up, there was also a quite large pyroclastic flow on the upper western slope of the Valle del Bove
 Quoting: Anonymous Coward 37379728


and a lot great vids of this Etna today eruption at previous page
Anonymous Coward
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04/04/2013 12:49 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.wired.com]
GuillermoChile • 7 hours ago −
Some increase in gas/ashes emissions at Láscar:
[link to www.sernageomin.cl]
Webcams if necessary:
[link to www.sernageomin.cl]

[link to www.volcano.si.edu]
Lascar
Volcano Type: Stratovolcanoes
Volcano Status: Historical
Last Known Eruption: 2007
Lascar is the most active volcano of the northern Chilean Andes. The andesitic-to-dacitic stratovolcano contains six overlapping summit craters. Prominent lava flows descend its NW flanks...Frequent small-to-moderate explosive eruptions have been recorded from Lascar in historical time since the mid-19th century, along with periodic larger eruptions that produced ashfall hundreds of kilometers away from the volcano. The largest historical eruption of Lascar took place in 1993, producing pyroclastic flows to 8.5 km NW of the summit and ashfall in Buenos Aires.
Anonymous Coward
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04/04/2013 01:03 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.vulcanoelhierro.es]
Google translation
The research vessel Ramon Margalef, the Spanish Institute of Oceanography, returns to the island of longitude for the project VULCANO, an intensive sampling physicochemical and biological-geological around the entire periphery of El Hierro...
<Bob>
...Abnormalities on the underwater volcano
...The researchers report that the submarine volcano continues to record anomalous physicochemical parameters, as noted during the campaign of the Spanish Institute of Oceanography RAPROCAN in December 2012, but now, the anomalies are much higher and also there is a significant increase linked water temperature at the bottom of up to 3 degrees. The measured pH was 7.4, which represents an acidification of 0.5 points compared to normal conditions. Salinity, alkalinity and total inorganic carbon also exhibit high values relative to normal. However, in no case was detected significant concentrations of reduced sulfur compounds. In the absence of a definitive analysis, zooplankton communities have values of abundance and biomass relatively normal...
VULCANO now heads towards the northwest of the island of El Hierro, the epicenter of recent earthquakes with magnitudes of up to 4.9 on the Richter scale, where studies continue with the water column.
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04/04/2013 03:52 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 !
do you know how much it reach in the last big lava fountain?
 Quoting: Luisport


precise mathematical formula and a direct link between tremor and height of fountain no, tremor is only an indirect indicator (that's why you you can never predict the height of the fountain even for few minutes before eruption) cool2

fountain height depends on the rate of arrival of lava, on the characteristics of the camera where lava is mixed with water and saturated with gas, and the characteristics of the "outlet."
a tremor depends on many more additional features sockpuppet

don't remember correctly value for previous eruption (i guess it stored at INGV site), likely 150-200 (also question at wich station you mean)
 Quoting: Anonymous Coward 37343314


i was hasking when that big event happened, how much was the tremor value?
 Quoting: Luisport


again we're not aware of each other:
what event?
where exactly (speaking of Etna, for example, then it has more than 400 craters)?
what is "more" and how you measure it, in wich values (VEI? something other?)?

so generally again:

precise mathematical formula and a direct link between tremor and height of fountain no, tremor is only an indirect indicator (that's why you you can never predict the height of the fountain even for few minutes before eruption) cool2

fountain height depends on the rate of arrival of lava, on the characteristics of the camera where lava is mixed with water and saturated with gas, and the characteristics of the "outlet."
a tremor depends on many more additional features

 Quoting: Anonymous Coward 37343314


forgotten:
of course, the height of the fountain is also highly dependent on the mixing ratio of lava (in principle, this can be attributed to the "characteristics of the camera")
 Quoting: Anonymous Coward 37343314


well... forget it
 Quoting: Luisport


weird… are you satisfied of answer or no? or why you asked if you don’t need in answer? damned

try to ask it at volcanocafe,
i even curious what answer you'll have hf
 Quoting: Anonymous Coward 37343314


+1
Luisport , ask vc . interesting to compare

pleases that the memory did not fail cool2

Spica says:
April 3, 2013 at 14:39
180 max as far as i remember, but that was a rare event
 Quoting: Luisport


although, of course, to the statements of such amateurs always need critically view (will overcome laziness and check at leisure in the archives) cool2
 Quoting: Anonymous Coward 37370772


also remember peak value close to 180

hope this explanation helped better understand the subject once vc did not help...
 Quoting: Anonymous Coward 37379728


not overloaded with details other hand simple and affordable. obvious errors from the point of view of physics processes not see
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04/04/2013 05:19 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 mobile.twitter.com (secure)]
John Seach @johnseach 9 ÷

#Earthquake swarm in northern #Iceland

possibly caused by undersea eruption.


a very high degree of probability that this is so,
and not only he thinks about it

without going into unnecessary detail (3D, 4D)
really many signs of a high probability that the underwater eruption begins or even already started
(it should search on the Icelandic site articles of local experts).
just look at the number and distribution of aftershocks is very shallow, if only today
[link to en.vedur.is]

lots of not too scattered very shallow (depth about 1 km, few even smaller), most remarkable

Tuesday
02.04.2013 22:09:55 66.418 -17.316 1.1 km 4.2 90.01 33.7 km ESE of Gr&#237;msey

Tuesday
02.04.2013 22:55:39 66.429 -17.323 0.7 km 3.0 90.01 32.9 km ESE of Gr&#237;msey

another with magnitude 2-3-4+
and a lot with quite suitable for the volcanic nature of the data

bump
Anonymous Coward
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04/04/2013 05:27 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 !
of course, speaking "local experts" it's not about vc, statements of serious volcanologists are welcome hf
Anonymous Coward
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04/04/2013 05:44 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 mobile.twitter.com (secure)]
John Seach @johnseach 9 &#247;

#Earthquake swarm in northern #Iceland

possibly caused by undersea eruption.


a very high degree of probability that this is so,
and not only he thinks about it

without going into unnecessary detail (3D, 4D)
really many signs of a high probability that the underwater eruption begins or even already started
(it should search on the Icelandic site articles of local experts).
just look at the number and distribution of aftershocks is very shallow, if only today
[link to en.vedur.is]

lots of not too scattered very shallow (depth about 1 km, few even smaller), most remarkable

Tuesday
02.04.2013 22:09:55 66.418 -17.316 1.1 km 4.2 90.01 33.7 km ESE of Gr&#237;msey

Tuesday
02.04.2013 22:55:39 66.429 -17.323 0.7 km 3.0 90.01 32.9 km ESE of Gr&#237;msey

another with magnitude 2-3-4+
and a lot with quite suitable for the volcanic nature of the data

bump
 Quoting: Anonymous Coward 21592753


yesterday's satellite data do not show anything suspicious (today's pictures are still no)...
[link to lance-modis.eosdis.nasa.gov]
although there is not small and the depth of the ocean, and the area is closed by clouds
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04/04/2013 06:05 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 !
very in time tounge

[link to phys.org]

Research finds second source of potentially disruptive Icelandic volcanoes
April 3, 2013

New research by The Open University and Lancaster University discovered another type of Icelandic volcanic eruption that could cause disruption.
Published in Geology (February 2013), the team found magma that is twice as 'fizzy' as previously believed, which increases the likelihood of disruptive ash clouds from future eruptions.

Many of the largest explosive eruptions in Iceland involve a viscous, high-silica magma called rhyolite, and are driven by volcanic gases (mostly water and carbon dioxide). It is these gases that give a volcanic eruption its fizz. At depth these gases are dissolved within the magma, but as the magma rises towards the surface during an eruption, the gases expand dramatically, causing the magma to froth and accelerate upwards as a foam. The viscous rhyolite foam breaks down into tiny ash fragments which form the ash clouds...
Previously scientists had thought that Icelandic magma was less fizzy than those from Pacific Ocean volcanoes and expected much less explosive eruptions by comparison. However, this new research suggests some Icelandic volcanoes could produce eruptions just as explosive as those in the Pacific Rim...
Dr Dave McGarvie, Senior Lecturer, Volcano Dynamics Group at The Open University, said: "We know that large explosive eruptions have occurred at infamous volcanoes such as Hekla and Katla, but it is important also to appreciate that large explosive eruptions are also produced by less well-known Icelandic volcanoes such as Torfajokull and Oraefajokull."
Dr Hugh Tuffen, Royal Society University Research Fellow at Lancaster University, said: "The discovery is rather worrying, as it shows that Icelandic volcanoes have the potential to be even more explosive than anticipated. Added to this is the view of several eminent scientists that Iceland is entering a period of increased volcanic activity. Iceland's position close to mainland Europe and the north Atlantic flight corridors means air travel could be affected again."

bump
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Re: The monsters wakes up ! Katla Hekla Iceland Dead Zone and rift as uniform system ! A lot of others worldwide !
I am a troll because I asked a question ? Just trying to see how many were venting ash and gas to determine effects in weather patterns this summer. Yes I quess this makes me at troll because discussion is not allowed on a forum.
 Quoting: Anonymous Coward 907170


i guess you're climatologist , because it requires a very complicated and requires a great expenditure of computing power models tounge if not, then it is quite convenient map volcanic activity is here
[link to www.volcanodiscovery.com]
Anonymous Coward
User ID: 21592753
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04/04/2013 06:55 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 !
very in time tounge

[link to phys.org]

Research finds second source of potentially disruptive Icelandic volcanoes
April 3, 2013

New research by The Open University and Lancaster University discovered another type of Icelandic volcanic eruption that could cause disruption.
Published in Geology (February 2013), the team found magma that is twice as 'fizzy' as previously believed, which increases the likelihood of disruptive ash clouds from future eruptions.

Many of the largest explosive eruptions in Iceland involve a viscous, high-silica magma called rhyolite, and are driven by volcanic gases (mostly water and carbon dioxide). It is these gases that give a volcanic eruption its fizz. At depth these gases are dissolved within the magma, but as the magma rises towards the surface during an eruption, the gases expand dramatically, causing the magma to froth and accelerate upwards as a foam. The viscous rhyolite foam breaks down into tiny ash fragments which form the ash clouds...
Previously scientists had thought that Icelandic magma was less fizzy than those from Pacific Ocean volcanoes and expected much less explosive eruptions by comparison. However, this new research suggests some Icelandic volcanoes could produce eruptions just as explosive as those in the Pacific Rim...
Dr Dave McGarvie, Senior Lecturer, Volcano Dynamics Group at The Open University, said: "We know that large explosive eruptions have occurred at infamous volcanoes such as Hekla and Katla, but it is important also to appreciate that large explosive eruptions are also produced by less well-known Icelandic volcanoes such as Torfajokull and Oraefajokull."
Dr Hugh Tuffen, Royal Society University Research Fellow at Lancaster University, said: "The discovery is rather worrying, as it shows that Icelandic volcanoes have the potential to be even more explosive than anticipated. Added to this is the view of several eminent scientists that Iceland is entering a period of increased volcanic activity. Iceland's position close to mainland Europe and the north Atlantic flight corridors means air travel could be affected again."

bump
 Quoting: Anonymous Coward 21592753


grumpy2
[link to hraun.vedur.is]
Anonymous Coward
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04/04/2013 07:05 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 mobile.twitter.com (secure)]
John Seach @johnseach 9 &#247;

#Earthquake swarm in northern #Iceland

possibly caused by undersea eruption.


a very high degree of probability that this is so,
and not only he thinks about it

without going into unnecessary detail (3D, 4D)
really many signs of a high probability that the underwater eruption begins or even already started
(it should search on the Icelandic site articles of local experts).
just look at the number and distribution of aftershocks is very shallow, if only today
[link to en.vedur.is]

lots of not too scattered very shallow (depth about 1 km, few even smaller), most remarkable

Tuesday
02.04.2013 22:09:55 66.418 -17.316 1.1 km 4.2 90.01 33.7 km ESE of Gr&#237;msey

Tuesday
02.04.2013 22:55:39 66.429 -17.323 0.7 km 3.0 90.01 32.9 km ESE of Gr&#237;msey

another with magnitude 2-3-4+
and a lot with quite suitable for the volcanic nature of the data

bump
 Quoting: Anonymous Coward 21592753


yesterday's satellite data do not show anything suspicious (today's pictures are still no)...
[link to lance-modis.eosdis.nasa.gov]
although there is not small and the depth of the ocean, and the area is closed by clouds
 Quoting: Anonymous Coward 21592753


Jon also understands the difficulty of detecting underwater eruption at such depths of the ocean
[link to www.jonfr.com]
...So if an eruption takes place there it is not going to be noticed due to the depth of the ocean...

in his blog also uploded a good IMO map
[link to www.jonfr.com]
(largest earthquakes in this swarm 2-3 April)
Anonymous Coward
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04/04/2013 08:10 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 !
great

[link to www.flickr.com]
Boris Behncke

That noise ...
Here is a short bit of video that I recorded during the climax of the powerful episode of lava fountaining (paroxysm) at Etna's New Southeast Crater on the afternoon of 3 April 2013:
[link to www.flickr.com]
...
The detonations were heard over a vast area around Etna, including Catania, nearly 30 km away. My wife told me that in our home in Tremestieri Etneo, 20 km south of the crater, the detonations were rather powerful, much louder than the din of the traffic on the nearby main road of the village. The loud bangs caused astonishment and apprehension among many inhabitants of the Etna area.

returning to the game of questions and answers tounge

why is this such a paroxysm was accompanied by an unusually strong roar that even Boris (best expert who has lived there for decades and watched hundreds of paroxysms) noted:
" in reality it is still there and
possibly bigger than ever before"
"That noise ..."

(links above)

what determines the volume and features of the sounds of the eruption?

(tooltip: remember the general physics, hydrodynamics and acoustics)

to consider the question for discussion over cap of coffee welcome (specialized knowledge is not too required) tounge





GLP