M 4.6 earthquake: Aleutian Islands (Atka, USA) — January 31, 1981

M 4.6 earthquake: Aleutian Islands (Atka, USA) — January 31, 1981. Epicenter 692 km W of Atka, depth 25 km, 18:25 Local (1981-01-31 06:25 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (692 km W of Atka, USA) — 51.431, 175.801

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