M 4.9 Earthquake: South Atlantic Ocean (South Georgia and the Islands) — October 10, 1984

M 4.9 Earthquake: South Atlantic Ocean (South Georgia and the Islands) — October 10, 1984. Epicenter 637 km E of Grytviken, depth 50 km, 10:25 Local (1984-10-10 12:25 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (637 km E, South Georgia and the Islands) — -55.413, -26.749

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