Earthquake swarm east of Grímsey island

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Since 4-February-2021 an earthquake swarm has been going on east of Grímsey island in the Tjörnes Fracture Zone. This was not a large earthquake swarm, with mostly just earthquakes with magnitude of Mw0,0 to Mw3,0. With largest earthquake taking place on 9-February-2021 at 20:20 UTC with magnitude Mw3,0. After that earthquake activity seems to have slowed down considerable amount.

Earthquake activity east of Grímsey island shown by blue and orange dots on the map. The earthquakes are out in the ocean.
Earthquake activity east of Grímsey island. Copyright of this image belongs to Icelandic Met Office.

Earthquake activity is common in this area and in 2020 several large earthquake swarms took place in the Tjörnes Fracture Zone.

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