Powerful 7.8-magnitude earthquake strikes far south Atlantic near Antarctica

WASHINGTON (AFP) - A powerful 7.8-magnitude undersea earthquake struck in the Scotia Sea, a remote region in the far south Atlantic near Antarctica, United States earthquake monitors reported Sunday.

The quake struck at 9.04am GMT in the ocean some 893km south-west of Grytviken, South Georgia, and 1,140km south-east of Ushuaia, Argentina, said the US Geological Survey, which monitors earthquakes worldwide.