M 4.9 earthquake: Aleutian Islands (Atka, USA) — October 22, 1980

M 4.9 earthquake: Aleutian Islands (Atka, USA) — October 22, 1980. Epicenter 129 km SW of Atka, depth 61 km, 15:47 Local (1980-10-23 01:47 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (129 km SW of Atka, USA) — 51.72, -175.925

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