M 6.6 earthquake: Aleutian Islands (Atka, USA) — December 17, 1997

M 6.6 earthquake: Aleutian Islands (Atka, USA) — December 17, 1997. Epicenter 490 km W of Atka, depth 20 km, 16:38 Local (1997-12-17 04:38 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (490 km W of Atka, USA) — 51.187, 178.871

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