Earthquake swarm far north of Kolbeinsey island

Early morning (14-April-2021) an earthquake swarm took place far north of Kolbeinsey island. Largest recorded earthquake had a magnitude of Mw3,5 but it possibly was larger but because of distance from the SIL network the magnitude is underestimated. I did record this earthquake on my only seismometers and it showed a lot of surface wave activity, suggesting a larger magnitude than Mw3,5.

Green stars far north of Iceland that show the loaction of the earthquake swarm out in the ocean
The earthquake swarm far north of Iceland. Copyright of this image belongs to Icelandic Met Office.

Because of remote location of this earthquake swarm it is not possible to know what is going on there. The area is also under an ocean that is 2 to 4 km deep at this location. If anything happens it is not going to be noticed outside of being detected with seismometers.


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