M 4.7 earthquake: Aleutian Islands (Atka, USA) — April 9, 1987

M 4.7 earthquake: Aleutian Islands (Atka, USA) — April 9, 1987. Epicenter 150 km SW of Atka, depth 33 km, 07:44 Local (1987-04-09 16:44 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (150 km SW of Atka, USA) — 51.421, -175.992

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