M 4.6 earthquake: Indian Ocean (Antarctica) — August 21, 2026

M 4.6 earthquake: Indian Ocean (Antarctica) — August 21, 2026. Epicenter 1955 km NW of Showa Station, depth 10 km, 07:56 Local (2026-08-21 05:56 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Indian Ocean (1955 km NW, Antarctica) — -53.142, 23.5692

EarthquakeLive.org