M 5.0 earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 25, 1977

M 5.0 earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 25, 1977. Epicenter 595 km E of Grytviken, depth 102 km, 11:19 Local (1977-12-25 13:19 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (595 km E, South Georgia and the Islands) — -55.945, -27.602

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