M 4.5 earthquake: Aleutian Islands (Nikolski, USA) — July 21, 1982

M 4.5 earthquake: Aleutian Islands (Nikolski, USA) — July 21, 1982. Epicenter 172 km SW of Nikolski, depth 33 km, 17:48 Local (1982-07-22 03:48 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (172 km SW of Nikolski, USA) — 51.58, -170.076

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