Strong 6.8 magnitude quake in Scotia Sea
Updated: 17:34, Saturday November 16, 2013
A strong 6.8 magnitude undersea earthquake has struck in the Scotia Sea, between the furthest tip of South America and Antarctica.
There is a low likelihood that the quake, which struck at 0334 GMT (1434 AEDT) Saturday, will cause casualties or damage because of its remote location, said the US Geological Survey, which monitors earthquakes worldwide.
The quake was centred 917 kilometres southwest of South Georgia and the South Sandwich Islands, 1158kms south-southeast of the Stanley, the capital of the Falklands Islands, and 1397kms southeast of Ushuaia, Argentina.
http://www.skynews.com.au/world/article.aspx?id=925124
Magnitude-6.8 quake strikes off Antarctica, no tsunami threat
Posted about 13 hours ago | 0 comment
WASHINGTON, D.C. (BNO NEWS) — A strong earthquake struck near an uninhabited island off Antarctica on early Saturday morning, seismologists said, but neither damage nor casualties were likely. A small chance of a regional tsunami did not materialize as no unusual sea level changes were recorded.
The 6.8-magnitude earthquake at 12:34 a.m. local time (03:34 GMT) was centered about 73 kilometers (45 miles) northwest of Coronation Island, an uninhabited island that is part of the South Orkney Islands in the Scotia Sea. It struck about 10 kilometers (6.2 miles) deep, making it a shallow earthquake, according to the United States Geological Survey (USGS).
The Pacific Tsunami Warning Center, which initially measured the magnitude at 7.4, noted a small possibility of a local or regional tsunami that could affect nearby coastlines within a few hundred kilometers. But no tsunami alerts were issued, and no unusual sea level changes were recorded in the hours after the earthquake.
http://wireupdate.com/magnitude-6-8-quake-strikes-off-antarctica-no-tsunami-threat.html
南大西洋で大地震 日本への津波の影響なし
11月17日 18時58分
ハワイにある太平洋津波警報センターから気象庁に入った連絡によりますと、日本時間１７日午後６時５分ごろ、南大西洋の南アメリカ大陸と南極の間のスコシア海を震源とするマグニチュード７．８の大きな地震がありました。
気象庁によりますと、この地震により震源地の周辺で津波が発生する可能性がありますが、日本への津波の影響はありません。
http://www3.nhk.or.jp/news/html/20131117/t10013125441000.html
日本列島につながってるプレートではありませんが、超スローの玉突き事故のように、時間をおいてプレート・バランスに影響が出てくるかもしれません。