M 4.9 earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 12, 1987

M 4.9 earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 12, 1987. Epicenter 874 km SE of Grytviken, depth 31 km, 01:31 Local (1987-12-12 03:31 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (874 km SE, South Georgia and the Islands) — -59.938, -26.428

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