M 4.7 earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 20, 2007

M 4.7 earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 20, 2007. Epicenter 587 km E of Grytviken, depth 150 km, 20:37 Local (2007-12-20 22:37 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (587 km E, South Georgia and the Islands) — -55.995, -27.763

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