M 4.5 earthquake: South Atlantic Ocean (South Georgia and the Islands) — September 20, 2025

M 4.5 earthquake: South Atlantic Ocean (South Georgia and the Islands) — September 20, 2025. Epicenter 638 km E of Grytviken, depth 35 km, 23:11 Local (2025-09-21 01:11 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (638 km E, South Georgia and the Islands) — -55.7249, -26.8235