M 4.6 earthquake: Aleutian Islands (Atka, USA) — October 4, 1987

M 4.6 earthquake: Aleutian Islands (Atka, USA) — October 4, 1987. Epicenter 681 km W of Atka, depth 33 km, 20:40 Local (1987-10-04 08:40 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (681 km W of Atka, USA) — 51.79, 175.863

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