M 4.9 earthquake: South Atlantic Ocean (South Georgia and the Islands) — March 9, 1991

M 4.9 earthquake: South Atlantic Ocean (South Georgia and the Islands) — March 9, 1991. Epicenter 614 km SE of Grytviken, depth 33 km, 08:57 Local (1991-03-09 10:57 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (614 km SE, South Georgia and the Islands) — -56.079, -27.36

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