M 4.9 earthquake: South Atlantic Ocean (South Georgia and the Islands) — September 9, 1991

M 4.9 earthquake: South Atlantic Ocean (South Georgia and the Islands) — September 9, 1991. Epicenter 801 km SE of Grytviken, depth 33 km, 19:54 Local (1991-09-09 21:54 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (801 km SE, South Georgia and the Islands) — -57.698, -25.144

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