M 5.5 earthquake: Aleutian Islands (Atka, USA) — August 10, 1999

M 5.5 earthquake: Aleutian Islands (Atka, USA) — August 10, 1999. Epicenter 544 km W of Atka, depth 33 km, 10:58 Local (1999-08-09 22:58 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (544 km W of Atka, USA) — 51.229, 178.062

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