M 4.7 earthquake: Aleutian Islands (Atka, USA) — November 18, 1991

M 4.7 earthquake: Aleutian Islands (Atka, USA) — November 18, 1991. Epicenter 494 km W of Atka, depth 33 km, 06:28 Local (1991-11-17 18:28 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (494 km W of Atka, USA) — 51.083, 178.872

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