M 5.0 earthquake: South Atlantic Ocean (South Georgia and the Islands) — April 22, 1978

M 5.0 earthquake: South Atlantic Ocean (South Georgia and the Islands) — April 22, 1978. Epicenter 814 km SE of Grytviken, depth 109 km, 03:51 Local (1978-04-22 05:51 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (814 km SE, South Georgia and the Islands) — -58.985, -26.281

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