M 4.6 earthquake: South Atlantic Ocean (South Georgia and the Islands) — September 22, 1974

M 4.6 earthquake: South Atlantic Ocean (South Georgia and the Islands) — September 22, 1974. Epicenter 2010 km E of Grytviken, depth 33 km, 10:02 Local (1974-09-22 11:02 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (2010 km E, South Georgia and the Islands) — -46.771, -10.401

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