M 5.5 earthquake: Aleutian Islands (Atka, USA) — May 31, 1987

M 5.5 earthquake: Aleutian Islands (Atka, USA) — May 31, 1987. Epicenter 239 km W of Atka, depth 33 km, 15:15 Local (1987-06-01 00:15 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (239 km W of Atka, USA) — 51.54, -177.509

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