M 4.9 earthquake: South Atlantic Ocean (South Georgia and the Islands) — September 22, 1983

M 4.9 earthquake: South Atlantic Ocean (South Georgia and the Islands) — September 22, 1983. Epicenter 812 km SE of Grytviken, depth 33 km, 19:36 Local (1983-09-22 21:36 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (812 km SE, South Georgia and the Islands) — -58.752, -26.021

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