M 6.7 earthquake: Aleutian Islands (Atka, USA) — June 20, 1955

M 6.7 earthquake: Aleutian Islands (Atka, USA) — June 20, 1955. Epicenter 391 km W of Atka, depth 30 km, 00:07 Local (1955-06-20 12:07 UTC). Shaking felt by ~61 people. Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (391 km W of Atka, USA) — 51.511, -179.788

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