M 4.6 earthquake: Aleutian Islands (Atka, USA) — July 31, 1987

M 4.6 earthquake: Aleutian Islands (Atka, USA) — July 31, 1987. Epicenter 327 km W of Atka, depth 33 km, 15:21 Local (1987-08-01 03:21 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (327 km W of Atka, USA) — 51.099, -178.592

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