Earthquake swarm close to Herðubreið

Since yesterday (18-December-2018) there has been a earthquake swarm close to Herðubreið (Wikipedia). Largest earthquake in this swarm had a magnitude of 2,7. The earthquake swarm is currently ongoing and there is a risk of larger earthquake happening in this area.

Earthquake swarm in Herðubreið area (red dots). Copyright of this image belongs to Icelandic Met Office.

Over 140 earthquakes have been recorded so far and since this earthquake swarm is currently ongoing that number is going to change. This earthquake swarm appears to be only tectonic in nature. There is no sign of magma movement in the crust on nearby SIL stations.


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