M 6.1 earthquake: Aleutian Islands (Atka, USA) — July 21, 1958

M 6.1 earthquake: Aleutian Islands (Atka, USA) — July 21, 1958. Epicenter 308 km W of Atka, depth 35 km, 03:37 Local (1958-07-21 14:37 UTC). Shaking felt by ~61 people. Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (308 km W of Atka, USA) — 51.413, -178.496

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