M 4.8 earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 27, 1991

M 4.8 earthquake: South Atlantic Ocean (South Georgia and the Islands) — December 27, 1991. Epicenter 650 km E of Grytviken, depth 33 km, 23:56 Local (1991-12-28 01:56 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (650 km E, South Georgia and the Islands) — -55.439, -26.536

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