2025-07-07 22:53:50 (M4.3) Unimak Island region, Alaska 53.7 -163.6 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.3 Earthquake - Unimak Island region, Alaska

Preliminary Report

Magnitude	4.3
Date-Time	Universal Time (UTC): 7 Jul 2025 22:53:51 Time near the Epicenter (1): 7 Jul 2025 12:53:51 Time in your area (1): 7 Jul 2025 14:53:51
Location	53.673N 163.610W
Depth	35 km
Distances	132.1 km (81.9 mi) S of False Pass, Alaska 1171.8 km (726.5 mi) SW of Anchorage, Alaska 1192.9 km (739.6 mi) SW of Eagle River, Alaska 1205.2 km (747.2 mi) SW of Knik-Fairview, Alaska 1624.8 km (1007.4 mi) SSE of Anadyr, Russia
Location Uncertainty	Horizontal: 6.4 km; Vertical 1.9 km
Parameters	Nph = 33; Dmin = 116.8 km; Rmss = 0.80 seconds; Gp = 164° Version =
Event ID	us 7000qb8v

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


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