M 4.6 Earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 29, 1976

M 4.6 Earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 29, 1976. Epicenter 591 km SE of Grytviken, depth 133 km, 20:10 Local (1976-12-29 22:10 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (591 km SE, South Georgia and the Islands) — -56.133, -27.775

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