M 4.5 earthquake: Aleutian Islands (Unalaska, USA) — August 4, 1991

M 4.5 earthquake: Aleutian Islands (Unalaska, USA) — August 4, 1991. Epicenter 209 km SE of Unalaska, depth 33 km, 17:23 Local (1991-08-05 01:23 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aleutian Islands (209 km SE of Unalaska, USA) — 52.743, -164.014

EarthquakeLive.org