Category Archives: Swarm

Two earthquake swarms in Tjörnes Fracture Zone (TFZ)

Over the last few days there has been small earthquake swarm activity in Tjörnes Fracture Zone. The activity has been in two locations, west of Kópasker village and east of Grímsey island (ongoing swarm). Both earthquake swarms are small for … Continue reading

Posted in Earthquakes, Monitoring, Nafir-Skjálfandadjúp, Swarm, TFZ, Tjörnes Fracture Zone, Volcano | Leave a comment

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

Posted in Earthquakes, Langjökull glacier - south, Monitoring, Presthnjúkar, Swarm, Volcano | Leave a comment

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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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