M 5.7 earthquake: South Atlantic Ocean (South Georgia and the Islands) — January 3, 1975

M 5.7 earthquake: South Atlantic Ocean (South Georgia and the Islands) — January 3, 1975. Epicenter 547 km E of Grytviken, depth 33 km, 03:10 Local (1975-01-03 05:10 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (547 km E, South Georgia and the Islands) — -55.413, -28.187

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