M 4.9 earthquake: Southern Ocean (Antarctica) — December 11, 2025

M 4.9 earthquake: Southern Ocean (Antarctica) — December 11, 2025. Epicenter 450 km E of Orcadas Station, depth 10 km, 09:01 Local (2025-12-11 11:01 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Southern Ocean (450 km E, Antarctica) — -61.2388, -36.4468