M 6.1 earthquake: South Atlantic Ocean (South Georgia and the Islands) — March 31, 1972

M 6.1 earthquake: South Atlantic Ocean (South Georgia and the Islands) — March 31, 1972. Epicenter 489 km E of Grytviken, depth 16 km, 13:36 Local (1972-03-31 15:36 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (489 km E, South Georgia and the Islands) — -55.287, -29.075

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