M 5.1 earthquake: South Atlantic Ocean (South Georgia and the Islands) — September 20, 1991

M 5.1 earthquake: South Atlantic Ocean (South Georgia and the Islands) — September 20, 1991. Epicenter 501 km E of Grytviken, depth 33 km, 23:46 Local (1991-09-21 01:46 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (501 km E, South Georgia and the Islands) — -55.483, -28.962

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