M 4.7 earthquake: South Atlantic Ocean (South Georgia and the Islands) — October 12, 1987

M 4.7 earthquake: South Atlantic Ocean (South Georgia and the Islands) — October 12, 1987. Epicenter 858 km SE of Grytviken, depth 33 km, 09:20 Local (1987-10-12 11:20 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (858 km SE, South Georgia and the Islands) — -59.015, -25.379

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