M 4.7 earthquake: Aleutian Islands (Atka, USA) — September 17, 1987

M 4.7 earthquake: Aleutian Islands (Atka, USA) — September 17, 1987. Epicenter 315 km W of Atka, depth 33 km, 22:25 Local (1987-09-18 07:25 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (315 km W of Atka, USA) — 51.392, -178.586

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