M 5.4 earthquake: Aleutian Islands (Atka, USA) — September 22, 1973

M 5.4 earthquake: Aleutian Islands (Atka, USA) — September 22, 1973. Epicenter 71 km SE of Atka, depth 49 km, 09:27 Local (1973-09-22 19:27 UTC). Shaking felt by ~61 people. Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (71 km SE of Atka, USA) — 51.639, -173.687

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