M 4.6 earthquake: Aleutian Islands (Atka, USA) — August 6, 1973

M 4.6 earthquake: Aleutian Islands (Atka, USA) — August 6, 1973. Epicenter 274 km W of Atka, depth 55 km, 01:19 Local (1973-08-06 11:19 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (274 km W of Atka, USA) — 51.534, -178.045

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