M 4.9 earthquake: Aleutian Islands (Atka, USA) — August 20, 2001

M 4.9 earthquake: Aleutian Islands (Atka, USA) — August 20, 2001. Epicenter 203 km W of Atka, depth 33 km, 21:28 Local (2001-08-21 06:28 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (203 km W of Atka, USA) — 51.515, -176.942

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