M 5.5 earthquake: Aleutian Islands (Atka, USA) — March 15, 1972

M 5.5 earthquake: Aleutian Islands (Atka, USA) — March 15, 1972. Epicenter 628 km W of Atka, depth 30 km, 23:23 Local (1972-03-15 11:23 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (628 km W of Atka, USA) — 51.592, 176.696

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