M 5.4 earthquake: Aleutian Islands (Nikolski, USA) — December 18, 1972

M 5.4 earthquake: Aleutian Islands (Nikolski, USA) — December 18, 1972. Epicenter 118 km SW of Nikolski, depth 26 km, 23:33 Local (1972-12-19 10:33 UTC). Shaking felt by ~18 people. Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (118 km SW of Nikolski, USA) — 51.973, -169.575

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