M 4.6 earthquake: Aleutian Islands (Nikolski, USA) — May 21, 2026

M 4.6 earthquake: Aleutian Islands (Nikolski, USA) — May 21, 2026. Epicenter 110 km S of Nikolski, depth 10 km, 22:33 Local (2026-05-22 06:33 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (110 km S of Nikolski, USA) — 51.985, -169.3081

EarthquakeLive.org