2025-12-16 23:35:25 UPDATED: (M5.0) Gulf of Alaska 56.4 -148.8 (70fa9)

M5.0 Earthquake - Gulf of Alaska

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 16 Dec 2025 23:35:25 Time near the Epicenter (1): 16 Dec 2025 13:35:25 Time in your area (1): 17 Dec 2025 05:05:25
Location	56.430N 148.779W
Depth	8 km
Distances	250.0 km (155.0 mi) ESE of Chiniak, Alaska 537.2 km (333.1 mi) S of Anchorage, Alaska 546.7 km (339.0 mi) S of Eagle River, Alaska 568.1 km (352.2 mi) S of Knik-Fairview, Alaska 887.0 km (549.9 mi) WSW of Juneau, Alaska
Location Uncertainty	Horizontal: 8.8 km; Vertical 8.4 km
Parameters	Nph = 33; Dmin = 275.7 km; Rmss = 0.63 seconds; Gp = 140° Version =
Event ID	us 6000rvd3

(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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