Strong earthquake swarm in Reykjanes volcano

Today (10-January-2021) at 03:15 UTC an earthquake with magnitude of Mw4,1. This earthquake was felt far away as Reykjavík. A swarm of small earthquakes is currently ongoing in this area. This earthquake activity is in the Reykjanes volcano.

Green star north of Grindavík town. Groups of small earthquakes north and east of Grindavík town on the map little from the coastline. Earthqukake activity in Krýsuvík lake and in Hengill volcano.
The earthquake activity in the Reykjanes volcano. Copyright of this image belongs to Icelandic Met Office.

Over 100 earthquakes have happened in this area for the last 48 hours. Most of them are small, less than magnitude Mw1,0 in size. There are not many earthquakes with magnitude over Mw1,0 currently in this earthquake activity. There is no sign that magma has started to find a way to the surface. Currently the magma remains in the crust. GPS data suggests that there is some type of change going on but I am unclear what that means. The GPS data can be viewed here.

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