Author Archives: Jón Frímann

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 | 3 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 | 2 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

Posted in Earthquakes, Monitoring, Swarm, TFZ | Leave a comment

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 | Leave a comment

Earthquake swarm in Tungnafellsjökull volcano

On Thursday 9-July-2015 an earthquake swarm started in Tungnafellsjökull volcano. So far around 50 earthquakes have been recorded in Tungnafellsjökull volcano, the earthquake swarm is currently ongoing. None of the earthquakes that have happened so far have reached … Continue reading

Posted in Dyke intrusions, Earthquakes, Magma, Monitoring, Swarm, Tungnafellsjökull, Volcano | 14 Comments

Earthquake swarm on Reykjanes ridge yesterday (07-July-2015)

Yesterday (07-July-2015) there was a small earthquake swarm on the Reykjanes ridge. Largest earthquake in this swarm had the magnitude of 3,3. Other earthquakes where smaller. At the moment it appears that the activity in this part of … Continue reading

Posted in Earthquakes, Monitoring, Reykjanes Ridge, Swarm | 2 Comments

Earthquake activity in Western Fracture Zone (WFZ)

Rare earthquake swarm has been taking place in Western Fracture Zone in Iceland. This fracture zone is between Western Volcanic Zone (WVZ) and Snæfellsnes volcanoes. It is mostly dormant with no earthquake activity at all. When earthquake activity … Continue reading

Posted in Earthquakes, Monitoring, Swarm, Western Fracture Zone | 3 Comments

Earthquake swarm continues on Reykjanes ridge, small chance of eruption

Today (01-July-2015) earthquake activity continued on the Reykjanes ridge, largest earthquakes so far are magnitude 5,0 (EMSC information here). Second largest earthquake had magnitude 4,8, other earthquakes have been smaller in magnitude. Total of 35 earthquakes that have … Continue reading

Posted in Earthquakes, Magma, Monitoring, Reykjanes Ridge, Swarm, Volcano | 10 Comments