Magnitude Mw4,2 earthquake in Tjörnes Fracture Zone yesterday (8-July-2020)

Yesterday (8-July-2020) at 17:41 UTC an magnitude Mw4,2 earthquake took place in the Tjörnes Fracture Zone. This earthquake was closer to land than other earthquakes and was felt over a wide area. The fault line that created this earthquake has almost north to south direction. The earthquake swarm that started on 19-June-2020 is ongoing but the amount of earthquakes that have been happening has dropped over the last few days to just around 300 earthquakes over 48 hour time period.

The current earthquake activity in Tjörnes Fracture Zone. Copyright of this image belongs to Icelandic Met Office.

The risk of a strong earthquake with magnitude Mw6,0 to Mw7,0 remains in the area and is going to do so for a while after this earthquake activity ends.


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