M 5.8 earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 28, 1972

M 5.8 earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 28, 1972. Epicenter 549 km E of Grytviken, depth 25 km, 16:23 Local (1972-12-28 18:23 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (549 km E, South Georgia and the Islands) — -55.493, -28.177

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