Ongoing earthquake swarm in Krýsuvík and Reykjanes volcanoes boundaries

Yesterday (29-August-2020) an ongoing earthquake swarm in Krýsuvík volcano or in the Reykjanes volcano increased. I am unclear what volcano system is responsible for this earthquake activity. It might be both volcanoes and if that is case it complicates matter.

The earthquake activity yesterday close to Krýsuvík or in Krýsuvík volcano. Used with permission and copyright of this image belongs to Icelandic Met Office.

Largest earthquake in this swarm had a magnitude of Mw3,6 at 19:06 UTC and the second largest earthquake had a magnitude of Mw3,4 at 16:23 UTC. Two earthquakes with magnitude MW3,0 also took place. The strongest earthquakes where felt in Reykjavík and other nearby towns. This earthquake activity is part of the activity that started in January in Reykjanes volcano and has been ongoing since then. Its has moved a little east in recent months and I am unclear on why that is exactly. There are no clear signs that magma is moving at the writing of this article to the surface.


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