M 5.9 earthquake: Aleutian Islands (Atka, USA) — March 23, 1973

M 5.9 earthquake: Aleutian Islands (Atka, USA) — March 23, 1973. Epicenter 803 km W of Atka, depth 27 km, 18:55 Local (1973-03-23 06:55 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (803 km W of Atka, USA) — 51.301, 174.217

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