M 4.6 earthquake: South Atlantic Ocean (South Georgia and the Islands) — January 4, 1987

M 4.6 earthquake: South Atlantic Ocean (South Georgia and the Islands) — January 4, 1987. Epicenter 795 km SE of Grytviken, depth 56 km, 09:55 Local (1987-01-04 11:55 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (795 km SE, South Georgia and the Islands) — -57.971, -25.504

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