M 5.3 earthquake: South Atlantic Ocean (South Georgia and the Islands) — April 17, 1983

M 5.3 earthquake: South Atlantic Ocean (South Georgia and the Islands) — April 17, 1983. Epicenter 684 km E of Grytviken, depth 47 km, 00:54 Local (1983-04-17 02:54 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (684 km E, South Georgia and the Islands) — -56.207, -26.243

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