Yesterday (30-August-2021) an small earthquake swarm took place east of Grímsey island in Tjörnes Fracture Zone. Two largest earthquakes had a magnitude of Mw3,2.
![Earthquake swarm east of Grímsey island. Two green stars on top of each other.](https://icelandgeology.net/wp-content/uploads/2021/08/210830_2135.png)
This earthquake swarm seems to have stopped for now. This area has frequent earthquake swarms and activity in this area of Tjörnes Fracture Zone might start again without warning.