Category Archives: Monitoring

Update on the earthquake swarm east of Grímsey island in Nafir volcano

This is a short update on the earthquake swarm east of Grímsey island in the Nafir volcano (no Global Volcanism Program profile). Yesterday (19-March-2019) a magnitude 3,2 earthquake happened. Other earthquakes both before and after it are smaller in magnitude. … Continue reading

Posted in Earthquakes, Monitoring, Nafir-Skjálfandadjúp, Swarm, TFZ, Tjörnes Fracture Zone, Volcano | 1 Comment

Earthquake swarm east of Grímsey island (Tjörnes Fracture Zone)

During the night of 18-March-2019 an earthquake swarm started east of Grímsey island in a volcano called Nafir (no Global Volcanism Program profile). The only GVP profile that exists is about the volcano south of this one (GVP profile can … Continue reading

Posted in Earthquakes, Monitoring, Nafir-Skjálfandadjúp, Swarm, TFZ, Tjörnes Fracture Zone, Volcano | 2 Comments

Earthquake activity in Presthnjúkar volcano (south Langjökull glacier)

Yesterday (16-March-2019) an earthquake swarm took place in Presthnjúkar volcano (south-Langjökull) or a volcano connected to it (there is a chance this volcano does not have a Global Volcanism Program profile). This earthquake swarm has been slow moving and only … Continue reading

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Strong earthquake swarm deep on Reykjanes ridge

Today (10-March-2019) strong earthquake swarm started deep on the Reykjanes ridge. The distance from Reykjavík is around 840 km. Largest earthquake in this swarm had a magnitude of Mw5,8 (EMSC information here). Only three earthquakes where detected and all of … Continue reading

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Earthquake 30 km north west of Vestmanneyjar islands

Today (5-March-2019) at 12:59 UTC a magnitude 3,2 earthquake took place 30,6 km north west of Vestmannaeyjar islands. This was a single earthquake and no aftershocks have happened since this earthquake took place. The earthquake (green star). Copyright of this … Continue reading

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Strong earthquake swarm in Bárðarbunga volcano (not high number of earthquakes)

This morning (4-March-2019) a strong earthquake swarm took place in Bárðarbunga volcano. Largest earthquake had a magnitude of 4,1 (at 05:52 UTC), second largest had a magnitude of 3,8 (at 05:46 UTC) and the third largest earthquake had a magnitude … Continue reading

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Strong earthquake swarm 100 km north of Kolbeinsey island

During the night of 28-February-2019, starting on 27-February-2019 an strong earthquake swarm took place 100 km north of Kolbeinsey island. I don’t know if this was just a earthquake swarm or an eruption. The area is far from the coast … Continue reading

Posted in Earthquakes, Monitoring, Swarm | 5 Comments

Earthquake with magnitude (Mw) 4,2 in Bárðarbunga volcano

Yesterday (23-February-2019) a earthquake with the magnitude Mw 4,2 took place in Bárðarbunga volcano. This earthquake was in the north-east location of the caldera. This is the location were most earthquakes happen in Bárðarbunga volcano. There appears to have been … Continue reading

Posted in Bárðarbunga, Earthquakes, Magma, Monitoring, Swarm, Volcano | 3 Comments

Earthquake swarm north of Geysir volcano

Starting yesterday (22-February-2019) and ending today (23-February-2019) a swarm of earthquake happened north-east of Geysir volcano. This was not a large earthquake swarm with only around 24 earthquakes. Earthquake activity north-east of Geysir volcano. Copyright of this image belongs to … Continue reading

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Minor earthquake swarm in Tungnafellsjökull volcano

Today (20-February-2019) there has been a minor earthquake swarm in Tungnafellsjökull volcano. Largest earthquake in this swarm had a magnitude of 1,2 and other earthquakes where smaller in magnitude. Total of five earthquakes were detected. The earthquake activity in Tungnafellsjökull … Continue reading

Posted in Earthquakes, Magma, Monitoring, Swarm, Tungnafellsjökull, Volcano | 2 Comments