2026-04-25 08:05:56 (M5.4) Unimak Island region, Alaska 53.6 -164.9 (70fa9)

M5.4 Earthquake - Unimak Island region, Alaska

Preliminary Report

Magnitude	5.4
Date-Time	Universal Time (UTC): 25 Apr 2026 08:05:56 Time near the Epicenter (1): 25 Apr 2026 00:05:56 Time in your area (1): 25 Apr 2026 13:35:56
Location	53.588N 164.914W
Depth	35 km
Distances	83.1 km (51.5 mi) SE of Akutan, Alaska 1234.2 km (765.2 mi) SW of Anchorage, Alaska 1255.4 km (778.3 mi) SW of Eagle River, Alaska 1266.8 km (785.4 mi) SW of Knik-Fairview, Alaska 1586.4 km (983.6 mi) SSE of Anadyr, Russia
Location Uncertainty	Horizontal: 2.8 km; Vertical 1.9 km
Parameters	Nph = 47; Dmin = 88.0 km; Rmss = 0.82 seconds; Gp = 89° Version =
Event ID	us 6000sssg

(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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