M 5.6 earthquake: Bering Sea (Atka, USA) — August 21, 1974

M 5.6 earthquake: Bering Sea (Atka, USA) — August 21, 1974. Epicenter 737 km W of Atka, depth 58 km, 08:45 Local (1974-08-20 20:45 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Bering Sea (737 km W of Atka, USA) — 52.243, 174.972

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