Earthquake swarm east of Grímsey island in Tjörnes Fracture Zone

Yesterday (9. March 2023) and today (10. March 2023) an earthquake swarm has been east of Grímsey island. Largest earthquake in this swarm had a magnitude of Mw3,8. There have been around 40 to 60 earthquakes in this swarm. Making this earthquake swarm rather small, compared to many other earthquake swarm that have been at this same location.

Green star east of Grímsey island, in a circle that shows a submarine volcano at the same area. Red dots are in the same area showing smaller earthquakes.
Earthquake activity east of Grímsey island. Copyright of this image belongs to Icelandic Met Office.

This earthquake swarm seems to be ongoing at of the writing of this article. It is impossible to know for sure if an stronger earthquake is going to happen in this area.

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