M 4.8 earthquake: Aleutian Islands (Atka, USA) — August 22, 1983

M 4.8 earthquake: Aleutian Islands (Atka, USA) — August 22, 1983. Epicenter 623 km W of Atka, depth 33 km, 20:13 Local (1983-08-22 08:13 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (623 km W of Atka, USA) — 51.736, 176.734

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