M 4.5 Earthquake: Aleutian Islands (Atka, USA) — October 31, 2026

M 4.5 Earthquake: Aleutian Islands (Atka, USA) — October 31, 2026. Epicenter 111 km SE of Atka, depth 45 km, 09:51 Local (2026-10-31 18:51 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (111 km SE of Atka, USA) — 51.6994, -172.7931

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