M 4.7 earthquake: South Atlantic Ocean (South Georgia and the Islands) — March 12, 1979

M 4.7 earthquake: South Atlantic Ocean (South Georgia and the Islands) — March 12, 1979. Epicenter 904 km SE of Grytviken, depth 33 km, 22:33 Local (1979-03-13 00:33 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (904 km SE, South Georgia and the Islands) — -59.629, -25.238

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