M 4.6 earthquake: South Atlantic Ocean (South Georgia and the Islands) — January 20, 2026

M 4.6 earthquake: South Atlantic Ocean (South Georgia and the Islands) — January 20, 2026. Epicenter 823 km SE of Grytviken, depth 35 km, 21:16 Local (2026-01-20 23:16 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (823 km SE, South Georgia and the Islands) — -58.3095, -25.2879

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