M 4.7 earthquake: Aleutian Islands (Unalaska, USA) — July 23, 1980

M 4.7 earthquake: Aleutian Islands (Unalaska, USA) — July 23, 1980. Epicenter 139 km E of Unalaska, depth 14 km, 16:34 Local (1980-07-24 02:34 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (139 km E of Unalaska, USA) — 53.459, -164.537

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