M 5.1 earthquake: South Atlantic Ocean (South Georgia and the Islands) — January 4, 1991

M 5.1 earthquake: South Atlantic Ocean (South Georgia and the Islands) — January 4, 1991. Epicenter 641 km SE of Grytviken, depth 33 km, 22:16 Local (1991-01-05 00:16 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (641 km SE, South Georgia and the Islands) — -56.301, -27.014

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