M 4.9 earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 3, 1973

M 4.9 earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 3, 1973. Epicenter 570 km E of Grytviken, depth 33 km, 09:30 Local (1973-12-03 11:30 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (570 km E, South Georgia and the Islands) — -55.647, -27.893

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