M 4.7 earthquake: Aleutian Islands (Atka, USA) — April 11, 1973

M 4.7 earthquake: Aleutian Islands (Atka, USA) — April 11, 1973. Epicenter 545 km W of Atka, depth 43 km, 22:40 Local (1973-04-11 10:40 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (545 km W of Atka, USA) — 51.08, 178.101

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