M 5.5 earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 10, 1973

M 5.5 earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 10, 1973. Epicenter 574 km E of Grytviken, depth 33 km, 17:30 Local (1973-12-10 19:30 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (574 km E, South Georgia and the Islands) — -55.593, -27.809

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