M 4.6 earthquake: South Atlantic Ocean (South Georgia and the Islands) — October 21, 2007

M 4.6 earthquake: South Atlantic Ocean (South Georgia and the Islands) — October 21, 2007. Epicenter 553 km E of Grytviken, depth 26 km, 19:55 Local (2007-10-21 21:55 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (553 km E, South Georgia and the Islands) — -55.369, -28.075

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