Magnitude 3,4 earthquake in Bárðarbunga volcano, earthquake swarm on eastern TFZ

This is just a short overview of activity in the last 24 hours (or so) in Iceland.

Bárðarbunga volcano

As usual Bárðarbunga volcano had an magnitude 3,4 earthquake this week. This time it only appears to have been just a one earthquake. Based on the signature of this earthquake, there is a good chance it was created by magma, rather than tectonic processes.

Bárðarbunga volcano earthquake. Copyright of this image belongs to Iceland Met Office.

I expect this earthquake activity to continue for a while now.

Tjörnes Fracture Zone (TFZ)

A small earthquake swarm took place in eastern TFZ this morning. This was not a large earthquake swarm, with the largest earthquake having the magnitude 2,0. Around 40 or so earthquakes took place in this minor swarm.

The earthquake swarm on TFZ, close to the village of Kópasker. Copyright of this image belongs to Iceland Met Office.

This earthquake swarm is over and I don’t think it is going to start again. Earthquake swarms like this one are common on TFZ.


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