M 5.1 earthquake: South Atlantic Ocean (South Georgia and the Islands) — September 16, 1977

M 5.1 earthquake: South Atlantic Ocean (South Georgia and the Islands) — September 16, 1977. Epicenter 711 km SE of Grytviken, depth 33 km, 19:35 Local (1977-09-16 21:35 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (711 km SE, South Georgia and the Islands) — -56.378, -25.881

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