M 4.7 earthquake: Aleutian Islands (Atka, USA) — April 10, 1974

M 4.7 earthquake: Aleutian Islands (Atka, USA) — April 10, 1974. Epicenter 556 km W of Atka, depth 37 km, 08:51 Local (1974-04-09 20:51 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (556 km W of Atka, USA) — 51.357, 177.824

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