M 4.5 earthquake: South Atlantic Ocean (South Georgia and the Islands) — September 17, 2025

M 4.5 earthquake: South Atlantic Ocean (South Georgia and the Islands) — September 17, 2025. Epicenter 664 km SE of Grytviken, depth 76 km, 14:03 Local (2025-09-17 16:03 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (664 km SE, South Georgia and the Islands) — -56.4232, -26.6999

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