Category: Monitoring

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Main geophone network computer is down due to a hardware failure

As many have noticed, my webicorder website is no longer updating and has not done so since 9-December-2013. The reason why it is not updating is simple. The computer that handles the updates is now totally ruined. It was the victim of the capacitor plague that took place few years ago, the main-board that failed is from the year 2007 (7 years old) and it clear that this issue with capacitor was not over when this motherboard was made.

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The blown capacitors on the motherboard. As can be seen, it is totally ruined. Image is under Creative Commons Licence, please see CC Licence page for more details.

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Second picture of the damage to the capacitors on the motherboard. Image is under Creative Commons Licence, please see CC Licence page for more details.

This failure was so bad it crashed my router and internet connection until I was able to reboot it when I got back home. Cost of a new computer (motherboard+cpu+graphic card+memory) is 268,16€ (350€ if I want to have some space to adjust if something isn’t available) according to my best estimate. I just want to buy and install it my self. I guess the hard drive is fine, but I have not yet tested it and I guess that I won’t test it until I get new computer. As my finances currently stand there is no hope that I am going to be able to afford this any time soon. So any donations in order to help me fix this problem are welcomed.

Without the webicorder website and this computer I am not going to be able to post high resolutions of earthquakes and it is not going to be possible to monitor earthquake swarms in Iceland in close to real time. Since this computer did handle all geophones in one place. It also uploaded the images for the geophones and I had on it the software to locate and analyse earthquakes that took place in Iceland and worldwide. This computer also allowed me to monitor for earthquakes in Denmark and other nearby countries if anything major did happen (earthquakes over magnitude 5,0). I hope that I can replace this hardware soon. Just how soon that is going to be I do not know at the moment.

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Two earthquakes on the Reykjanes ridge on 10-January-2014

I am sorry for this late post of this events. I have been having computer problems and more then just one computer problem. More on that in next post.

On the Friday the 10-January-2014 three earthquakes took place on the Reykjanes Ridge. There magnitudes where 3,1 and 3,5. The third earthquake had the magnitude of 2,5.

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The earthquakes on the Reykjanes ridge on the 10-January-2014. Copyright of this image belongs to Icelandic Meteorological Office.

This where tectonic earthquakes and nothing suggests that they where connected to any magma movements in this area of the Reykjanes ridge.

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Increased conductivity in Múlakvísl glacier river

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It has been reported in Icelandic media today that there is an increased conductivity in Múlakvísl glacier river that comes from Mýdalsjökull glacier. This increased conductivity started in Múlakvísl on 31-December-2013 and has lasted until today (it might last for few days longer).

Mýrdalsjökull glacier is on top of Katla volcano. There are no signs of increased activity following this and according to the news this is most likely a cauldron under the glacier empting it self of water melted by hydrothermal area under the glacier. So far there is no risk to this increased conductivity in Múlakvísl glacier river.

There are no signs of glacier flood is about to take place, at least it is not going to a large one if it happens. That is the current idea at the moment anyway. No earthquake activity or tremor activity has taken place following this changes in Múlakvísl glacier river.

Icelandic News about this

Aukin rafleiðni en ekki útlit fyrir hlaup (Rúv.is)
Fylgjast vel með Múlakvísl (mbl.is)
Vaxandi rafleiðni í Múlakvísl (Vísir.is)

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Magnitude 3,5 earthquake on the Reykjanes peninsula

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Today (7-January-2014) at 12:11 UTC an magnitude 3,5 earthquake took place on the Reykjanes Peninsula. This earthquake was part of an swarm that has been taking place in this area of Reykjanes peninsula for past two weeks.

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The earthquake swarm on the Reykjanes peninsula. Copyright of this image belongs to Icelandic Meteorological Office.

I am not sure how this earthquake swarm is going to evolve, but there is a risk of more earthquakes in this area. But most of them are going to be minor, or less then 3,0 in magnitude.

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Earthquake swarm in Hveravellir

During the night of 6-January-2014 an earthquake swarm started in Langjökull volcano, the northern one. The nearby area is known as Hveravellir geothermal area. So far this has just been a minor earthquake swarm. With largest earthquakes not exceeding magnitude 2,0 at the moment.

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The earthquake swarm in Hveravellir geothermal area. Copyright of this image belongs to Icelandic Meteorological Office.

The tremor plot of nearby SIL station shows that more earthquake activity is taking place then appears on Icelandic Meteorological Office website. This are then earthquake that are too small to be detected by other nearby SIL stations.

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The earthquake activity at Hveravellir SIL station. Copyright of this image belongs to Icelandic Meteorological Office.

I do expect this earthquake activity to continue for some time now. It is impossible to know for sure if this activity is going to increase or not.

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Earthquake activity in Esjufjöll and Kverkfjöll volcanoes

Earthquake activity started again in Esjufjöll volcano today (20-Desember-2013). The largest earthquake had the magnitude of 2,9 and had the depth of 5,0 km. So far only two earthquakes have been recorded, but it is not uncommon that earthquake activity in Esjufjöll volcano starts slow before it picks up. Earthquake activity remains low in Esjufjöll volcano, but there is now more earthquake activity in Esjufjöll volcano for the past few years then in past several decades (perhaps, recording is missing in the past)

Kverkfjöll volcano

Earthquake activity continued in Kverkfjöll volcano today. None of the earthquake did reach the magnitude of 3,0. The largest earthquake had the magnitude of 2,0 and the depth of 5,3 km.

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Earthquake activity in Esjufjöll volcano and Kverkfjöll volcano. Copyright of this image belongs to Icelandic Meteorological Office.

I am expecting more earthquake activity in Kverkfjöll volcano. But I expect it to remain small as it currently is at least I do not expect any earthquake above the magnitude of 3,0 to take place as is.

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Magnitude 3,1 earthquake in Kverkfjöll volcano

Today (19-Desember-2013) at 09:30 UTC a magnitude 3,1 earthquake took place in Kverkfjöll volcano. The depth of this earthquake was 5,0 km. No aftershocks have been recorded following this earthquake.

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The magnitude 3,1 earthquake in Kverkfjöll volcano. Copyright of this image belongs to Icelandic Meteorological Office.

This is the first activity in Kverkfjöll volcano for some time now. But overall activity has been slowly increasing in Kverkfjöll volcano for the past few years. So far however there is nothing to suggest that volcano eruption is going to take place in near future.

Update 1: Three aftershocks took place in Kverkfjöllum volcano. The largest one had the magnitude of 1,7. The other two earthquakes had the magnitude of 1,3 and 1,5. With the depth of 6,5 km to 3,4 km.

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The aftershocks in Kverkfjöll volcano. Copyright of this image belongs to Icelandic Meteorological Office.

It is possible that more aftershocks are going to take place in Kverkfjöll volcano in next few hours to days.

Blog post updated at 16:37 UTC.

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Quiet period continues in Iceland

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A new quiet period has started in Iceland, it is an extension of an quiet period that has been ongoing in Iceland for the past few months and is currently with no end in sight. I don’t know what is driving this quiet period at the moment, since quiet period are a bit of mystery and might always be that.

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Quiet in Iceland. Copyright of this image belongs to Icelandic Meteorological Office.

For the past two weeks just around 120 earthquakes have been recording during each week (7 days) and for Iceland that is really low amount of earthquakes. This type of quiet period has been ongoing for most of the year 2013. I just hope that new year 2014 is not going to be quite so quiet as 2013 was.

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Earthquake swarm in Hengill volcano

A earthquake swarm of minor earthquakes took place in Hengill volcano today. This earthquake swarm was due to Orkuveita Reykjavíkur was pumping down water in the area.

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The earthquake swarm in Hengill volcano this evening. Copyright of this image belongs to Icelandic Meteorological Office.

The largest earthquake had the magnitude of 1,4. Other earthquakes were smaller.

Continued earthquake activity north of Kolbeinsey Island

During the week the earthquake activity continued north of Kolbeinsey Island. Two more earthquakes appeared, they had the magnitude of 3,0 and 3,1 according to EMSC. I do not have any image of that activity since I was travelling the days it was on Icelandic Meteorological Office website.

Webicorder images still do not update

Something failed in my hardware few days ago so no webicorder images are updating at the moment. I do not know what did go wrong or what did fail and it is going to be few weeks until I know why. According to electronic usage readings from my home something powered down or was powered down (I know what normal usage should be based on what electronics where turned on when I left). I am not sure what was turned off or did go offline and I won’t find out until I get back home. Until then my webicorder images are not going to be updated. International webicorders are updating (mostly) normal now and all large earthquake activity in the world is going to appear on that website. I do not run any of the images shown there so they are unaffected by this failure.

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Earthquake swarm activity north of Kolbeinsey island

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During the night a magnitude 4,1 earthquake was recorded around 240 km north of Kolbeinsey island. This is automatic location and magnitude. So it is subject to change.

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Earthquake activity north of Kolbeinsey island (green star). Copyright of this image belongs to Icelandic Meteorological Office.

I don’t know yet if I detected it on my Böðvarshólars geophone (website here). Since I have not had the change to review the data from that geophone yet. I am not sure what is taking place at that location. This might be earthquake swarm activity before and eruption starts there, but due to remote location and ocean depth it is currently impossible to know for sure at this point.