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Tjörnes Fracture Zone volcanosubmarine volcano unknown summit elevationNorth of Iceland, 66.3°N / -17.1°W Tjörnes Fracture Zone volcano eruptions: 1868 Typical eruption style: unspecified Tjörnes Fracture Zone webcams / live data Last earthquakes nearby Tjörnes Fracture Zone volcano (North of Iceland) activity update: seismic swarmsFriday Sep 21, 2012 14:05 PM | BY: T
 Earthquakes in the TFZ on 20 Sep (Icelandic Meto Office) It included hundreds of small to medium quakes up to magnitudes around 4, the largest being a 4.2 event at 19:42 UTC on 20 Sep. This earthquake swarm was most likely felt in the towns of Siglufjöður, Dalvík town and nearby places. The depth of the earthquake swarm ranged from 2-17 km and took place in an area without known active volcanoes, but which is subject to tectonic spreading at a rate of 50mm/year. For more information, visit the Iceland Volcanoes and Earthquakes Blog.
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