M 4.6 earthquake: Aleutian Islands (Nikolski, USA) — September 20, 2011

M 4.6 earthquake: Aleutian Islands (Nikolski, USA) — September 20, 2011. Epicenter 168 km S of Nikolski, depth 47 km, 12:25 Local (2011-09-20 20:25 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (168 km S of Nikolski, USA) — 51.497, -169.591

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