2025-10-01 07:22:54 (M4.0) south of Alaska 54.5 -159.9 (90be5)

M4.0 Earthquake - south of Alaska

Preliminary Report

Magnitude	4.0
Date-Time	Universal Time (UTC): 1 Oct 2025 07:22:55 Time near the Epicenter (1): 30 Sep 2025 23:22:55 Time in your area (1): 30 Sep 2025 23:22:55
Location	54.489N 159.886W
Depth	25 km
Distances	102.2 km (63.4 mi) SSE of Sand Point, Alaska 953.5 km (591.1 mi) SW of Anchorage, Alaska 974.0 km (603.9 mi) SW of Eagle River, Alaska 988.5 km (612.9 mi) SSW of Knik-Fairview, Alaska 1618.0 km (1003.2 mi) WSW of Juneau, Alaska
Location Uncertainty	Horizontal: 7.9 km; Vertical 10.9 km
Parameters	Nph = 43; Dmin = 42.7 km; Rmss = 1.10 seconds; Gp = 200° Version =
Event ID	us 6000rdyd

(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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