M 4.9 earthquake: Aleutian Islands (Nikolski, USA) — October 20, 1989

M 4.9 earthquake: Aleutian Islands (Nikolski, USA) — October 20, 1989. Epicenter 165 km SW of Nikolski, depth 33 km, 05:58 Local (1989-10-20 13:58 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (165 km SW of Nikolski, USA) — 51.817, -170.463

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