Category Archives: Swarm

Strong earthquake swarm deep on the Reykjanes ridge

Yesterday (11-January-2018) at 09:46 and 09:50 UTC two strong earthquakes took place around 780 km deep south west of Iceland. The earlier earthquake had a magnitude of Mw5,4 (EMSC information here) and the second earthquake had a magnitude of mb4,9 … Continue reading

Posted in Earthquakes, Monitoring, Reykjanes Ridge, Swarm | 1 Comment

Sharp increase in earthquakes in Katla volcano

Yesterday (05-January-2018) a warning was issued about higher conductivity in glacier rivers from Mýrdalsjökull glacier. This is due to increased activity in Katla volcano. At the moment the conductivity is around 613 µS/cm according to Icelandic Met Office (I can’t … Continue reading

Posted in Earthquakes, Katla / Mýrdalsjökull, Magma, Monitoring, Swarm, Volcano | 29 Comments

Small earthquake swarm in Katla volcano

Today (30-December-2017) a small earthquake swarm took place in Katla volcano. This earthquake activity was a minor one and the largest earthquake only had a magnitude of 1,4 and all other earthquakes where smaller. Earthquake activity in Katla volcano. Copyright … Continue reading

Posted in Earthquakes, Katla / Mýrdalsjökull, Magma, Monitoring, Swarm, Volcano | 14 Comments

No changes in Öræfajökull volcano earthquake activity

Earthquake activity continues in Öræfajökull volcano as has been doing for past several months. Earthquake activity goes up and down a little, some days there are fewer earthquakes while in others there is more activity. Latest earthquake activity in Öræfajökull … Continue reading

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Earthquake with magnitude 4,1 in Bárðarbunga volcano

On 23-December-2017 at 23:41 UT a magnitude 4,1 earthquake took place in Bárðarbunga volcano. At the moment no other earthquake activity has followed this earthquake. Green star shows the location of the magnitude 4,1 earthquake. Copyright of this image belongs … Continue reading

Posted in Bárðarbunga, Earthquakes, Magma, Monitoring, Swarm, Volcano | 7 Comments

Earthquake activity increasing again in Öræfajökull volcano

After quiet two weeks in Öræfajökull volcano earthquake activity has started in increase again. As before the magnitude of earthquakes happening remains small with only few earthquakes reaching magnitudes above 1,5. Earthquake activity in Öræfajökull volcano. Copyright of this image … Continue reading

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Earthquake swarm in Hengill volcano

At 05:36 UTC a earthquake swarm started in Hengill volcano. Several dozen earthquakes took place and the largest earthquake had the magnitude of 3,4 and the second largest had a magnitude of 3,0. All other earthquakes where smaller in magnitude. … Continue reading

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Minor earthquake swarm on TFZ (Tjörnes Fracture Zone)

During the night of 22-December-2017 a minor earthquake swarm took place south-east of Flatey Island on TFZ (Tjörnes Fracture Zone). This was not a large earthquake swarm. The earthquake swarm south-east of Flatey Island on TFZ. Copyright of this image … Continue reading

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Two strong earthquakes in Bárðarbunga volcano

During the night of 20-December-2017 an earthquake swarm started in Bárðarbunga volcano. This earthquake swarm started at 02:17 UTC with a magnitude 1,4 earthquake. The first magnitude 4,1 earthquake took place at 04:57 UTC and the second large earthquake took … Continue reading

Posted in Bárðarbunga, Earthquakes, Magma, Monitoring, Swarm, Volcano | 6 Comments

Strong earthquake swarm ongoing in Skjaldbreið shield volcano

Yesterday (10-12-2017) a earthquake swarm started in Skjaldbreið shield volcano (in Global Volcanism program this area is under Presthnjúkar area). Currently the earthquake swarm is ongoing. This activity started on Friday with few earthquakes and started in full force when … Continue reading

Posted in Earthquakes, Monitoring, Skjaldbreið, Swarm, Volcano | 11 Comments