Earthquake swarm in Prestahnúkur volcano

Advertisement

Yesterday (27-January-2021) an earthquake swarm started in Prestahnúkar volcano. Largest earthquake in this swarm had a magnitude of Mw3,0 and other earthquakes where smaller in magnitude.

Yellow earthquake on the south-west side of the volcano. In the former glacier Ok.
Earthquake activity in the volcano Prestahnúkar. Copyright of this image belongs to Icelandic Met Office.

This earthquake swarm has stopped but it might start again since earthquake activity in this area is often slow to start and goes on for a long time, up to 1 to 3 years. There is no sign that magma is at work in this earthquake swarm.

Advertisement