M 4.5 earthquake: Aleutian Islands (Atka, USA) — April 21, 2001

M 4.5 earthquake: Aleutian Islands (Atka, USA) — April 21, 2001. Epicenter 198 km W of Atka, depth 38 km, 16:25 Local (2001-04-22 01:25 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (198 km W of Atka, USA) — 51.531, -176.871

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