M 4.5 earthquake: Aleutian Islands (Atka, USA) — October 1, 1976

M 4.5 earthquake: Aleutian Islands (Atka, USA) — October 1, 1976. Epicenter 660 km W of Atka, depth 52 km, 04:56 Local (1976-09-30 16:56 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (660 km W of Atka, USA) — 51.657, 176.202

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