Tjörnes Fracture Zone (Iceland): earthquake swarm as result of possible magma intrusion
Tue, 1 Oct 2013, 16:06 | BY: T
Location of recent quakes at the TFZ
Depth vs time of earthquakes at the TFZ
The depths of the quakes vary from about 15 km depth (crust-mantle boundary) to near surface. The area is located on an active fault line related to rifting, and a possible cause of the earthquake swarm could be a magmatic intrusion.
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Previous news
Fri, 2 Aug 2013, 04:32
Tjörnes Fracture Zone (Iceland): earthquake swarm
A (probably tectonic) swarm of earthquakes has been occurring since yesterday in the eastern part of the TFZ, about 10-15 km north of the shore at various depths mostly below 15 km. It includes more than 100 quakes yesterday including 6 above magnitude 3 (up to 3.8 yesterday morning). ... Read all
Mon, 8 Apr 2013, 15:39
Tjörnes Fracture Zone volcano (North of Iceland) activity update
The seismic swarm continues with a decreasing trend. "Only" 65 earthquakes have been counted so far today, the largest being a 3.3 event 14 km NE of Grímsey this morning. ... Read all
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