Shallow earthquake swarm is currently ongoing near South Orkney Islands, South Pacific Ocean, approximately 640 km (400 miles) north east of the northern tip of the Antarctic Peninsula. Current earthquake sequence started with M 6.1 at 23:45 UTC on November 13, 2013. It was followed by M 4.4 at 08:10 UTC on November 15th.
At 03:34 UTC today, November 16th, M 6.8 earthquake struck the same area and was followed by M 4.9 at 04:01 UTC, M 4.8 at 04:16, M 5.3 at 04:45 UTC, M 5.0 at 08:18, M 5.4 at 08:35 and M 5.2 at 09:35 UTC.
A total of 9 strong earthquakes with depth of about 10 km were registered by 10:20 UTC, at the time of this report. Magnitude and date/time data by USGS.
The swarm is occurring at South Scotia Ridge.
- Updates are here.
Earthquakes with magnitude 2.5+ in last 7 days. Image credit: USGS
Scotia Sea earthquakes (November 13 – 16, 2013). Image credit: USGS
Seismicity since 1960. Image credit: EMSC
There is no permanent human population nearby. The primary presence on the Orkney Islands is related to two research stations run by Argentina and Great Britain.
Featured image: USGS
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