M 4.7 earthquake: Southern Ocean (Antarctica) — September 18, 2025

M 4.7 earthquake: Southern Ocean (Antarctica) — September 18, 2025. Epicenter 732 km E of Orcadas Station, depth 10 km, 17:18 Local (2025-09-18 19:18 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Southern Ocean (732 km E, Antarctica) — -60.346, -31.3399