Author Archives: Jón Frímann

Earthquake in Kerlingafjöll volcano

Kerlingafjöll volcano (no GVP profile) did have a earthquake today (25-August-2015). This was just one earthquake. Not of any special magnitude. Earthquakes are rare in Kerlingafjöll volcano and they don’t have any known historical eruptions. This one earthquake … Continue reading

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Deep earthquake activity in Katla volcano

Yesterday (17-August-2015) a swarm of small earthquakes took place in Katla volcano. This type of activity has been happening place this summer and has been happening for several years now. The reason for this is that magma is … Continue reading

Posted in Earthquakes, Katla / Mýrdalsjökull, Magma, Monitoring, Swarm, Volcano | 3 Comments

Bárðarbunga volcano one year ago

One year ago activity in Bárðarbunga volcano was increasing, the week before a constant earthquake swarm had been taking place in the volcano. I had planned to write about that earthquake swarm that had been taking place, that … Continue reading

Posted in Bárðarbunga, Earthquakes, History, Magma, Monitoring, Volcano | 8 Comments

Quiet week 32 in Iceland

It has been a quiet week 32 in Iceland. With only minimal earthquake activity taking place in the usual places, with just minor earthquakes taking place and no earthquakes with magnitude 3,0 or larger happening. Normal background earthquake … Continue reading

Posted in Earthquakes, Iceland, Monitoring, Swarm | 9 Comments

Earthquake swarm on the Reykjanes ridge

On the 01-August-2015 an earthquake swarm took place on the Reykjanes ridge. This earthquake swarm was far off the coast line and populated areas and was only seen on instruments (seismometers). The earthquake swarm appears to be over … Continue reading

Posted in Earthquakes, Monitoring, Reykjanes Ridge, Swarm | 6 Comments

Summer earthquake activity in Katla volcano

For the past few days there has been summer earthquake activity in Katla volcano. None of the earthquake have reached magnitude 2,0 so far. Earthquake activity in Katla volcano. Copyright of this image belongs to Iceland Meteorological Office. … Continue reading

Posted in Earthquakes, Hydrothermal, Katla / Mýrdalsjökull, Magma, Monitoring, Volcano | 3 Comments

Earthquake swarm on TFZ (Tjörnes fracture zone)

Earthquake swarm started on TFZ on 27-July-2015. At the moment this earthquake swarm is minor with no earthquake reaching the magnitude of 3,0. That might change without warning. The earthquake swarm on Tjörnes fracture zone. Copyright of this … Continue reading

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Minor earthquake swarm in Torfajökull volcano

Since last weekend there has been a minor earthquake swarm taking place in Torfajökull volcano. This appears to be normal earthquake activity for this volcano, it often has this type of swarm activity, mostly due to changes in … Continue reading

Posted in Earthquakes, Magma, Monitoring, Swarm, Torfajökull, Volcano | 14 Comments

Continued risk of landslide in Ketilbjörg cliff in Skagafirði (North-West Iceland)

There is now a increased risk of landslide in Ketilbjörg cliff. The area that is about to fall of is extremely dangerous, tourist have been seen going out on the part of the cliff that is about to … Continue reading

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Increased ground heat measured in Surtsey island

It was in the news yesterday (21-July-2015) that scientists have measured higher ground heat in Surtsey Island. The change is 10 degrees (Celsius) from measurements taken some two to three years ago. The theory is that the ground … Continue reading

Posted in Dyke intrusions, Hydrothermal, Magma, Monitoring, Surtsey island, Vestmannaeyjar island, Volcano | Comments Off on Increased ground heat measured in Surtsey island