Grímsey earthquake swarm still gathering strength: 64 powerful 3+ quakes in past 48h
- Icevolcan
- Feb 19, 2018
- 1 min read
The earthquake swarm at Grímsey island on the north coast of Iceland which began on Wednesday last week has continued over the weekend. The Icelandic Meteorological Office has detected a total of 1.500 quakes have been recorded over the past 48 hours, including 64 quakes larger than 3 on the Richter scale. Of those 8 quakes were larger than 4. The largest quake recorded in the swarm was a 5.2 magnitude quake early morning. The earthquake swarm is highly unusual, both in terms of its intensity and length.
Picture: TJÖRNES FRACTURE ZONE TREMBLES The location of earthquakes in the past 48 h. Quakes larger than 3 are identified with a green star. Photo/IMO
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