Update on the earthquake swarm on Tjörnes Fracture Zone

This is a update on the earthquake swarm on Tjörnes Fracture Zone. Information in this article might get outdated quickly.

The earthquake swarm is ongoing as of writing of this article, it has now been going for a week. Since Wednesday there haven’t been any earthquakes over magnitude 3,0. Largest earthquake have reached magnitude 2,9 in last 48 hours. Total number of earthquakes in last 48 hours is around 567.


The earthquake swarm west of Kópasker village. Copyright of this image belongs to Icelandic Met Office.

This earthquake swarm has been slowly getting less intense and fewer earthquakes have been recorded since yesterday than the days before. It does not mean that this earthquake swarm is over. It might increase again if a large earthquake happens (magnitude 4,0+).

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This entry was posted in Earthquakes, Monitoring, Swarm, TFZ, Tjörnes Fracture Zone. Bookmark the permalink.

2 Responses to Update on the earthquake swarm on Tjörnes Fracture Zone

  1. Jack McIlveen says:

    Jon thanks for the updates. What would you guess is ahead for this area over the next month or so ? Is it likely that a large quake is still possible and would a larger quake have any chance of causing any wave action?

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