M 5.4 earthquake: South Atlantic Ocean (South Georgia and the Islands) — September 27, 1980

M 5.4 earthquake: South Atlantic Ocean (South Georgia and the Islands) — September 27, 1980. Epicenter 633 km E of Grytviken, depth 33 km, 00:53 Local (1980-09-27 02:53 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (633 km E, South Georgia and the Islands) — -55.61, -26.865

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