M 5.5 earthquake: Aleutian Islands (Atka, USA) — September 9, 1991

M 5.5 earthquake: Aleutian Islands (Atka, USA) — September 9, 1991. Epicenter 295 km W of Atka, depth 33 km, 06:03 Local (1991-09-09 15:03 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (295 km W of Atka, USA) — 51.256, -178.199

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