Earthquake swarm east of Grímsey island

Today (9. December 2023) an earthquake swarm took place east of Grímsey island, it started at 11:09 UTC and ended around 12:19 UTC. This was a small earthquake swarm and largest earthquake had a magnitude of Mw3,0.

Green star and red dots east of Grímsey island from the small earthquake swarm. This is out in the ocean.
Earthquake swarm east of Grímsey island. Copyright of this image belongs to Icelandic Met Office.

This area of Tjörnes Fracture Zone has frequent earthquakes and earthquake swarm activity. Large earthquake swarms happen in this area every few years. Time between them is different. If that is the case now is impossible to know.