M 4.8 earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 21, 1997

M 4.8 earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 21, 1997. Epicenter 656 km E of Grytviken, depth 33 km, 11:22 Local (1997-12-21 13:22 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (656 km E, South Georgia and the Islands) — -55.547, -26.473

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