M 5.5 earthquake: Aleutian Islands (Atka, USA) — September 23, 2021

M 5.5 earthquake: Aleutian Islands (Atka, USA) — September 23, 2021. Epicenter 353 km W of Atka, depth 18 km, 22:02 Local (2021-09-24 07:02 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (353 km W of Atka, USA) — 51.1338, -179.0224

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