M 5.4 earthquake: South Atlantic Ocean (South Georgia and the Islands) — May 4, 1979

M 5.4 earthquake: South Atlantic Ocean (South Georgia and the Islands) — May 4, 1979. Epicenter 578 km E of Grytviken, depth 33 km, 23:16 Local (1979-05-05 01:16 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (578 km E, South Georgia and the Islands) — -55.649, -27.76

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