M 6.1 earthquake: Aleutian Islands (Atka, USA) — March 12, 1957

M 6.1 earthquake: Aleutian Islands (Atka, USA) — March 12, 1957. Epicenter 207 km E of Atka, depth 35 km, 15:48 Local (1957-03-13 02:48 UTC). Shaking felt by ~79 people. Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (207 km E of Atka, USA) — 51.657, -171.314

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