M 7.0 earthquake: Aleutian Islands (Atka, USA) — March 11, 1957

M 7.0 earthquake: Aleutian Islands (Atka, USA) — March 11, 1957. Epicenter 317 km W of Atka, depth 25 km, 03:55 Local (1957-03-11 14:55 UTC). Shaking felt by ~61 people. Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (317 km W of Atka, USA) — 51.339, -178.602

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