M 4.8 earthquake: South Atlantic Ocean (South Georgia and the Islands) — August 26, 1977

M 4.8 earthquake: South Atlantic Ocean (South Georgia and the Islands) — August 26, 1977. Epicenter 1145 km SE of Grytviken, depth 33 km, 21:38 Local (1977-08-26 22:38 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (1145 km SE, South Georgia and the Islands) — -59.483, -20.166

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