M 6.8 earthquake: Aleutian Islands (Atka, USA) — March 10, 1957

M 6.8 earthquake: Aleutian Islands (Atka, USA) — March 10, 1957. Epicenter 228 km SW of Atka, depth 15 km, 16:12 Local (1957-03-11 03:12 UTC). Shaking felt by ~61 people. Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (228 km SW of Atka, USA) — 51.093, -176.981

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