M 5.4 earthquake: South Atlantic Ocean (South Georgia and the Islands) — August 10, 1978

M 5.4 earthquake: South Atlantic Ocean (South Georgia and the Islands) — August 10, 1978. Epicenter 681 km E of Grytviken, depth 33 km, 08:55 Local (1978-08-10 10:55 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (681 km E, South Georgia and the Islands) — -55.474, -26.063

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