Volcanos in Iceland, possible alarm?

reply to post by lasertaglover


I guess you could do a lot worse than looking at Jon Friman's blog

Not only is he very knowledgeable but he has for the most part some good technically savvy responders as well.

One in particular - "Lurking" - who actually does anything but lurk is good.

Th general feeling I get from the posts is that it is not something to be concerned about yet.

reply to post by PuterMan


Hey Puterman, it's just a habbit ok? LOL, I had been going to Seach's site for a long time, but when Eyjafjallajökull erupted last year, that place became a hotspot for those of us who were watching the cams 24/7. Yeah, Lurking and a couple of others are pretty good, and some are just so excitable and very funny (Rio comes to mind) on that blog.

Anyway, I went there cause I could not find anything anywhere else this morning. Even though Lurking is not too worried right now, the maps really show the distrubance very well.

What do you think Sir?

If these quakes turn out to be magmatic, i dont think we've heard the last, although JF doesnt seem too concerned theres a lot of data still to get through so we should watch closely.

reply to post by PuterMan


I am part way through reading my way through the thread and just looked at a link put up by PuterMan. (I have had it bookmarked for a year or more) I do not know yet if anyone else has posted this, but I thought I would anyway.

There is quite a bit of activity HERE this is all of Iceland

A little update from JF's blog.

Given the location and how this earthquake swarm is behaving it is my opinion that this is due to a magma is pushing up the crust in this area. But it remains a question of this is going to start a eruption or not. But the chances are growing for as long as this earthquake pattern holds up in Krísuvík volcano. If a eruption starts in Krísuvík volcano it is going to one of Hawaii type eruption, unless it is under water then it is going to be explosive for as long there is water getting into the crater. Last time there was a eruption in this area a 25 km long eruption fissure did form.

www.jonfr.com...

So he suspects this swarm may be magmatic and it could be an eventful next few days if Krisuvik plays up.

reply to post by Catch_a_Fire


Great update!

Thanks for that for sure!

He has lots of News article from local media as well, which is really cool.

reply to post by lasertaglover


Well Krýsuvík has been having loads of quakes for quite some time now. There does not seem to be any sudden change in the GPS measurements that I can see, so it could be cooking on gas for quite some time yet before we get any positive indications.

So for the time being:

Putermans famous 'nothing to see here'

VOGS GPS Station
Co-ordinates of that station: 63.85269 N, 21.70365 W


Locations of Continuous GPS Stations (Hengill area)


Map of All GPS Stations
You can also see this map here with links to GPS plots. I will add VOGS shortly.

I do not get any earthquakes from Krísuvík volcano (expect the largest ones) on my Hekla geophone.

So that graph i linked yesterday was being coused by the swarm im guessing.

lasertaglover i live in Reykjarvík which is really close to these systems , pretty sure i woke up this morning to one of the larger quakes.

I just gotta throw this out here, im pretty sure this is about to lead to a eruption (just a gut feelin) and im leanin towards Hekla-Katla.

Glad to see you have joined us Puterman

reply to post by PuterMan


Out of interest, if the magma is simply passing through and feeding other areas are we likely to see much deformation, or would this only occur with a build up to an eruption.

reply to post by Spacedman13


Krýsuvík tremot graph.


Certainly looks as if it is doing something,

If ound this page the other day on jonfr. Not sure if you can say this is similar or not. I would have said that was earthquakes.

How to read it.

@M, At the top it is the rise just before the eruption that is a clear give away on what is going on. In the second on it is the oblivious spike that can be seen on it. The smaller spikes there are earthquakes, not harmonic tremors.

As regards Katla/Hekla are they not the other side of the SISZ? I have to go out but I have some info about Hekla/Hengill connections but in all honesty I don't think that Kris is going to trigger Katla or Hekla.

This is of interest: There is noting to worry about. Nothing is happening.. Move along please

reply to post by Catch_a_Fire


Deformation certainly would happen before an impending eruption. It is unlikely to be passing through as anything in this area would be feeding the magma chamber for Kris.

Don't forget I was saying that there is no sudden deformation apparently, but that does not mean there cannot be a gradual filling of the chamber. As I said I have to go out for a while but maybe spacedman can dig up something on Kris's characteristics.

reply to post by PuterMan


Thanks...

Much appreciated.

reply to post by PuterMan

As regards Katla/Hekla are they not the other side of the SISZ? I have to go out but I have some info about Hekla/Hengill connections but in all honesty I don't think that Kris is going to trigger Katla or Hekla.

I have been wondering about this for quite some time now, from erlier events that have triggerd Hekla. I downloaded some of the tremor graphs that kinda support this idea. And i´ll post it later tonight.

reply to post by Spacedman13


I noticed this last year. When Eyjafjallajokull erupted there was quite a bit of activity in Alaska and Russia too. Then everything quieted down and I quit checking every day.

Now we see a lot of activity in Alaska and Russia again.

Alaskan/ Russian volcano watch

Map of Russian Volcanoes

Here is World Volcanism from 1875 to 1993 it is increasing.



OFF Topic, well sort of.... perhaps linked since we are talking about what is happening inside the earth at the "Top of the World"

The "true" magnetic north pole has been drifting. NASA The Movement Of Earth's North Magnetic Pole Accelerating Rapidly



GRAPH: GMF Main Field Vertical Intensity Hudson Bay & Siberia

GRAPH: daily magnetic pole strength


Planet's Magnetic Field Varies Much Faster Than Expected

Earth's Core, Magnetic Field Changing Fast, Study Says

The Position of the north magnetic pole has been shifting rapidly over the last several decades.

GRAH: Earth's Magnetic Field Intensity

What ever the heck is going on it certainly is not "quiet" up there!

Just noticed that since I first posted this morning just over 2 hours ago, that there are 40 additional EQ's that have been added to the list. It was 350 at that time.

Earthquake count:
◦Magnitude less than 1: 22
◦Magnitude 1 to 2: 308
◦Magnitude 2 to 3: 58
◦Magnitude more than 3: 2
◦Total: 390

en.vedur.is...=table

Puterman this is what i was thinking.

From what i was thinking is that you can follow the path of the tremors. Notice on the graphs how they all start up around the 24th when the swarm started up.

This is the path from the ridge to Hekla
Reykjarnes
[atsimg]http://files.abovetopsecret.com/images/member/790305e8efe4.gif[/atsimg]

Nýlenda
[atsimg]http://files.abovetopsecret.com/images/member/3dc87b8fdf3e.gif[/atsimg]

Krýsuvík
[atsimg]http://files.abovetopsecret.com/images/member/b8b4975ccaf9.gif[/atsimg]

Vogósar
[atsimg]http://files.abovetopsecret.com/images/member/959e08907ea7.gif[/atsimg]

Sölvaholt
[atsimg]http://files.abovetopsecret.com/images/member/dc65364e8e84.gif[/atsimg]

Saurbær
[atsimg]http://files.abovetopsecret.com/images/member/bb84f9487001.gif[/atsimg]

Haukdalur = Hekla it dies down when it reaches her. (i say "her" because she is named after a witch that lived there)
[atsimg]http://files.abovetopsecret.com/images/member/d3cc86b5e3b5.gif[/atsimg]

Then from the ridge but down towards Katla.
Ásmúli
[atsimg]http://files.abovetopsecret.com/images/member/505fedc2cf5f.gif[/atsimg]

Miðmörk
[atsimg]http://files.abovetopsecret.com/images/member/bef767c74595.gif[/atsimg]

Goðabunga = Katla, this picture seem odd to me as the spike there happens before the others but falls down then continues like the others.
[atsimg]http://files.abovetopsecret.com/images/member/9d74e10f0a33.gif[/atsimg]

And i can surely say that these meters were not affected by weather as the weather has been quite nice. But these meter could go off a little tonight as there is a storm about to hit the west and south coast with winds above 20m/s.

I got this idea when i was looking into why Hekla and Goðabunga erupted last time. Before those events there had been 1-2 weeks that everything was quiet, then huge swarm hit the ridge area (hengill), Then 2-4 weeks later there was a erpution.

Another thing I was wondering about are the depths involved here. What does it mean that they are ranging up and down so much? Rather than get in trouble for posting the entire list (as it seems a lot of people are getting in trouble on some of the other EQ and Volcano threads for varying different stuff), I'll just quote the last hour from the Iceland Met:

Date Time Lat Long Depth Mag Quality Location
Sunday
27.02.2011 15:21:57 63.901 -22.049 4.4 km 1.5 45.62 1.7 km NNE of Krýsuvík
Sunday
27.02.2011 15:21:00 63.933 -22.048 7.5 km 1.2 90.01 5.1 km N of Krýsuvík
Sunday
27.02.2011 15:12:36 63.927 -22.022 4.0 km 1.5 66.5 4.9 km NNE of Krýsuvík
Sunday
27.02.2011 15:10:44 63.921 -22.045 4.9 km 1.2 56.33 3.9 km NNE of Krýsuvík
Sunday
27.02.2011 15:07:30 63.926 -22.066 7.0 km 2.2 90.03 4.3 km N of Krýsuvík
Sunday
27.02.2011 14:59:54 63.902 -22.043 4.4 km 1.3 44.86 2.0 km NE of Krýsuvík
Sunday
27.02.2011 14:53:24 63.935 -22.034 8.1 km 1.6 55.24 5.5 km NNE of Krýsuvík
Sunday
27.02.2011 14:51:03 63.926 -22.032 7.0 km 1.1 34.03 4.6 km NNE of Krýsuvík
Sunday
27.02.2011 14:51:03 63.914 -22.121 8.4 km 1.3 50.13 3.9 km SE of Keilir
Sunday
27.02.2011 14:50:21 63.931 -22.025 1.1 km 1.5 64.14 5.2 km NNE of Krýsuvík
Sunday
27.02.2011 14:50:11 63.920 -22.042 10.4 km 1.5 49.0 3.8 km NNE of Krýsuvík
Sunday
27.02.2011 14:50:04 63.915 -22.061 4.4 km 1.8 90.01 3.1 km N of Krýsuvík
Sunday
27.02.2011 14:49:51 64.383 -21.238 1.1 km 2.3 58.26 9.7 km E of Hvalstöð
Sunday
27.02.2011 14:49:49 63.931 -22.040 7.5 km 1.6 90.03 5.0 km NNE of Krýsuvík
Sunday
27.02.2011 14:45:34 63.978 -22.053 9.6 km 1.4 67.48 7.0 km S of Straumsvík
Sunday
27.02.2011 14:45:13 63.896 -22.057 4.5 km 1.4 43.63 1.0 km NNE of Krýsuvík
Sunday
27.02.2011 14:39:18 63.919 -22.040 1.1 km 1.6 90.02 3.7 km NNE of Krýsuvík
Sunday
27.02.2011 14:30:21 63.944 -22.039 3.2 km 1.8 90.03 6.4 km NNE of Krýsuvík

It seems like a huge Yo-Yo, going from 1's to 9's and a 10 fairly often, and fairly quickly. If you scroll down the entire list you can really see this 'yo-yo' action taking place. Just wondering what that means?

en.vedur.is...=table

reply to post by crimvelvet



Wohaa , well i´ll have to take a look into this later tonight. At the moment i am all about connections and how this could be influencing each other. Thanks for the link i will take a look into this later tonight when i have the time.

News update from MBL

Seismicity has continued to Kleifarvatn today, but smaller than a quake this morning. From midnight. 14 today, had about 380 earthquakes occur meters the IMO. Sigþrúður Ármannsdóttir, Geographer of the IMO, said that the lower seismicity in the afternoon. Now it is mostly small tremors. It does not exclude the seismicity incresing again. "There have been belly since that seismicity began on Thursday night and this can continue." GPS-timers in the area show the movements of Earth's crust. Sigþrúður claims, however, does not trust himself to answer the question whether the dynamic movements are underway. She reminds us that earthquakes are common in Kleifarvatn and this is a great Geothermal area.

reply to post by Spacedman13

At the moment i am all about connections and how this could be influencing each other.

Heck if I know if there is any connection. However I thought it was interesting that volcanism is increasing over time as one graph showed while the magnetic field is Decreasing and the north pole movement from Canada towards Siberia is increasing.

I may be wrong but I would think it all has to do with molten rock under the mantle although molten rock is not supposed to be magnetic. That means something is happening at the interface I would guess.