M 4.6 earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 20, 2013

M 4.6 earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 20, 2013. Epicenter 621 km SE of Grytviken, depth 96 km, 21:38 Local (2013-12-20 23:38 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (621 km SE, South Georgia and the Islands) — -56.4459, -27.4474

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