M 5.5 Earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 28, 1991

M 5.5 Earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 28, 1991. Epicenter 749 km SE of Grytviken, depth 58 km, 13:59 Local (1991-12-28 15:59 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (749 km SE, South Georgia and the Islands) — -56.573, -25.325

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