M 6.7 earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 31, 1963

M 6.7 earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 31, 1963. Epicenter 704 km SE of Grytviken, depth 35 km, 15:37 Local (1963-12-31 17:37 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (704 km SE, South Georgia and the Islands) — -56.529, -26.064

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