Day: January 22, 2018

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Magnitude 3,5 earthquake 2,6 km from Grindavík village

Yesterday (21-January-2018) at 21:15 UTC an earthquake with magnitude of 3,5 took place 2,5 km from Grindavík village. This earthquake was clearly felt in Grindavík village. This earthquake was at depth of 5,0 km.


The magnitude 3,5 earthquake (green star) on the Reykjanes peninsula. Copyright of this image belongs to Icelandic Met Office.

Largest aftershock had the magnitude of 2,8 and all other earthquakes where smaller in magnitude. This earthquake swarm does seems to be over for now. There is always a risk of more earthquakes on the Reykjanes peninsula due to tectonic forces at work in this area.

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Dyke intrusion south-east of Bárðarbunga volcano

On Sunday (21-January-2018) a dyke intrusion took place south-east of Bárðarbunga volcano. The area is question is slightly outside of Bárðarbunga volcano fissure swarm but seems to be connected to the main volcano.


The earthquakes south-east of Bárðarbunga volcano. Copyright of this image belongs to Icelandic Met Office.

Largest earthquake only had magnitude 1,2 and the shallowest depth was only 13,9 km with a magnitude 0,8 earthquake. The risk of an eruption in this area is increasing, but it is not possible to know when a eruption might happen. This area has been active for some time now with regular dyke intrusions at the same location.

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