M 5.5 earthquake: South Atlantic Ocean (South Georgia and the Islands) — January 31, 1978

M 5.5 earthquake: South Atlantic Ocean (South Georgia and the Islands) — January 31, 1978. Epicenter 613 km SE of Grytviken, depth 132 km, 00:17 Local (1978-01-31 02:17 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (613 km SE, South Georgia and the Islands) — -56.124, -27.401

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