M 4.7 earthquake: Aleutian Islands (Atka, USA) — August 23, 1973

M 4.7 earthquake: Aleutian Islands (Atka, USA) — August 23, 1973. Epicenter 69 km SE of Atka, depth 38 km, 10:58 Local (1973-08-23 20:58 UTC). Shaking felt by ~61 people. Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (69 km SE of Atka, USA) — 51.752, -173.489

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