M 4.9 earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 6, 1973

M 4.9 earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 6, 1973. Epicenter 569 km E of Grytviken, depth 33 km, 12:36 Local (1973-12-06 14:36 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (569 km E, South Georgia and the Islands) — -55.572, -27.891

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