Currently there is an ongoing earthquake swarm in Tjörnes Fracture Zone. This earthquake swarm has been going on since 05-October-2017. Over 120 earthquakes have happened so far. Largest earthquakes have had the magnitude of 3,9 (05-October), 3,5 (06-October), 3,0 (06-October). There is a good chance that in recent hours a new magnitude 3,0 earthquake has happened or is going to happen.
The earthquake swarm in TFZ as of 23:15 UTC on 06-October-2017. Copyright of this image belongs to Icelandic Met Office.
The largest earthquake are felt by the local population in Grímsey Island and the magnitude 3,5 earthquake woke up the population last night (night of 06-October). No damage has happened so far in this earthquake swarm. I don’t know how far away from the population centre this earthquake swarm is happening but the distance is not that great. A 1 – 3 km at the most from the looks of it. Any large earthquakes are going to appear clearly on my geophones and they can be viewed here, the geophone station in Böðvarshólar gives the best signal if an earthquake with magnitude above 3,0 happens in TFZ.
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Article updated at 23:53 UTC. Minor text fixes.
