M 4.9 earthquake: South Atlantic Ocean (South Georgia and the Islands) — July 17, 1974

M 4.9 earthquake: South Atlantic Ocean (South Georgia and the Islands) — July 17, 1974. Epicenter 1818 km E of Grytviken, depth 33 km, 08:08 Local (1974-07-17 09:08 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (1818 km E, South Georgia and the Islands) — -49.398, -11.076

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