M 5.3 earthquake: South Atlantic Ocean (South Georgia and the Islands) — October 21, 1981

M 5.3 earthquake: South Atlantic Ocean (South Georgia and the Islands) — October 21, 1981. Epicenter 672 km SE of Grytviken, depth 106 km, 05:35 Local (1981-10-21 07:35 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (672 km SE, South Georgia and the Islands) — -56.426, -26.561

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