Ongoing earthquake swarm in Kleifarvatn lake (Trölladyngja-Krýsuvík volcano)

The earthquake swarm in Trölladyngju-Krýsuvík volcano continues. The earthquake activity increased again this morning (7-May-2022). This earthquake activity suggests that magma is on the move in this area of Kleifarvatn lake.

Largest earthquakes in this swarm today (7-May-2022) had a magnitude of Mw3,3 and Mw3,5. Both earthquakes where clearly felt in Reykjavík area.

Two green stars in Kleifarvatn lake on top of each other. Dense swarm of red dots at the same location.
Earthquake activity in Krýsuvík volcano in Kleifarvatn lake. Copyright of this image belongs to Icelandic Met Office.

This earthquake activity continues with short breaks. I am not clear on why that is happening. One possible reason for this is that there is a drop in the pressure of the magma at this location or that the magma is trying to find easier path to the surface. This pattern of activity might make it longer until an eruption happens in Kleifarvatn lake.

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