M 4.8 earthquake: Aleutian Islands (Atka, USA) — July 28, 1991

M 4.8 earthquake: Aleutian Islands (Atka, USA) — July 28, 1991. Epicenter 183 km SW of Atka, depth 33 km, 23:20 Local (1991-07-29 08:20 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (183 km SW of Atka, USA) — 51.105, -176.18

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