M 4.9 earthquake: South Atlantic Ocean (South Georgia and the Islands) — August 13, 1974

M 4.9 earthquake: South Atlantic Ocean (South Georgia and the Islands) — August 13, 1974. Epicenter 823 km SE of Grytviken, depth 33 km, 01:11 Local (1974-08-13 03:11 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (823 km SE, South Georgia and the Islands) — -59.58, -27.002

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