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2 Earthquakes Hit South Shetland Islands – 6.6, 6.2

At approximately 13:40:18 and 14:21:32 UTC  (for the last) on Sunday, January 15th, two earthquakes based on water near the South Shetland Islands near Antarctica struck at depths estimated at 10km for the first (6.6), and and 14km for the second (6.2). The quakes struck varying ranges of 15-30km from each other, with the first 539km (334 miles) W of Coronation Island, South Orkney Islands. 625km (388 miles) NE of Palmer Station Antarctica. Coords:  60.797°S, 55.999°W

USGS: First, Second

According to the Pacific Tsunami Warning Center there is no warning issued for a tsunami from either of these earthquakes, despite the depth, based on historical recordings of the area. There is a very small possibility of a local tsunami that could affect coastal areas no further than 100km from the earthquake epicenter.

Interestingly enough, 26 minutes after the 6.2 occurred there was an earthquake near the North pole. A magnitude 4.8 at a 40km depth in the Jan Mayen Island Region, nearly 1100km NW of Trondheim, Norway.

Action in the South: On the 12th there was a lot of action South of Africa, with a 4.9, 4.8 and another 4.9 in a 30 minute period. 12 hours later a 5.5 strikes the same area, and then after some more downtime of another 8-9 hours, a 5.3 strikes in the area. So, what was that all about? All of the quakes were supposedly registered at 10km in depth. Then once again to the South, at 15:54:49 UTC on the 13th from 57 to 64 km depths, a 5.1 and a 5.2 strike the South Sandwich Islands region.

…(Recent Quakes)

 

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January 15, 2012 - Posted by | Seismic | , , , , , , , , , , ,

6 Comments »

  1. There is some crazy activity going on in that region over the last few days. Makes you wonder..

    Comment by cilmaen | January 15, 2012 | Reply

    • In the past 72 hours there have been a lot of quakes that you don’t daily see. They all have their yearly patterns, but they’ve been real sporadic. I’ve never seen so many near the south pole in such a short period of time. Since the year began there was a 6.8 off Japan’s Izu Islands on the 1st, a 6.6 on the Santa Cruz Islands on the 9th, a 7.3 off west of north Sumatra on the 10th, and now the 6.6 and the 6.2.

      Comment by murkraz | January 15, 2012 | Reply

  2. there has not been any earthquake at jan mayen.

    But in russia it was an 4.9 quake 15-JAN-2012 06:29:23 EASTERN SIBERIA, RUSSIA
    Look in this place IRIS Seismic Monitor

    Comment by kicki | January 15, 2012 | Reply

  3. Strange how your blog updated to 3 earthquakes but within minutes reverted back to 2. Is there a reason for this?

    Comment by cilmaen | January 15, 2012 | Reply

    • Yes, sorry for the long reply. It was an error with USGS making it seem like 3 quakes, but it was 2, so I quickly reverted back using the existing files I had.

      Comment by murkraz | January 19, 2012 | Reply


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