M 7.1 earthquake: Aleutian Islands (Atka, USA) — March 14, 1957

M 7.1 earthquake: Aleutian Islands (Atka, USA) — March 14, 1957. Epicenter 207 km SW of Atka, depth 25 km, 03:47 Local (1957-03-14 14:47 UTC). Shaking felt by ~3.6K people. Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (207 km SW of Atka, USA) — 51.196, -176.733

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