Small earthquake swarm in western Tjörnes Fracture Zone (TFZ)

During the night of 6-December-2017 there was a small earthquake swarm on western part of Tjörnes Fracture Zone (TFZ). Few earthquakes happened and the largest one had a magnitude of 3,1 and was felt in Siglufjörður village and Ólafsvík village.

The earthquake swarm area is where the green star is. Copyright of this image belongs to Icelandic Met Office.

Second largest earthquake in this swarm had the magnitude of 2,8. All other earthquakes where smaller in magnitude. This area is a fault area and more earthquake activity can be expected.


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