M 5.4 earthquake: South Atlantic Ocean (South Georgia and the Islands) — February 23, 1977

M 5.4 earthquake: South Atlantic Ocean (South Georgia and the Islands) — February 23, 1977. Epicenter 919 km SE of Grytviken, depth 33 km, 17:47 Local (1977-02-23 19:47 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (919 km SE, South Georgia and the Islands) — -59.465, -24.682

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