M 4.7 earthquake: South Atlantic Ocean (South Georgia and the Islands) — August 4, 2026

M 4.7 earthquake: South Atlantic Ocean (South Georgia and the Islands) — August 4, 2026. Epicenter 637 km E of Grytviken, depth 10 km, 21:08 Local (2026-08-04 23:08 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (637 km E, South Georgia and the Islands) — -55.685, -26.8178

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