M 6.6 earthquake: Aleutian Islands (Atka, USA) — March 9, 1957

M 6.6 earthquake: Aleutian Islands (Atka, USA) — March 9, 1957. Epicenter 63 km S of Atka, depth 25 km, 16:06 Local (1957-03-10 03:06 UTC). Shaking felt by ~79 people. Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (63 km S of Atka, USA) — 51.657, -173.934

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