M 4.8 earthquake: Aleutian Islands (Unalaska, USA) — October 27, 1991

M 4.8 earthquake: Aleutian Islands (Unalaska, USA) — October 27, 1991. Epicenter 137 km E of Unalaska, depth 33 km, 17:19 Local (1991-10-28 02:19 UTC). Shaking felt by ~17K people. Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (137 km E of Unalaska, USA) — 53.529, -164.531

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