2025-12-31 05:49:31 UPDATED: (M4.9) Northern California 40.5 -120.7 (90be5)

M4.9 Earthquake - Northern California

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 31 Dec 2025 05:49:32 Time near the Epicenter (1): 30 Dec 2025 21:49:32 Time in your area (1): 30 Dec 2025 21:49:32
Location	40.542N 120.684W
Depth	4 km
Distances	14.2 km (8.8 mi) N of Susanville, California 111.2 km (68.9 mi) NE of Magalia, California 118.0 km (73.2 mi) NE of Paradise, California 129.5 km (80.3 mi) NW of Spanish Springs, Nevada 171.9 km (106.6 mi) NNW of Carson City, Nevada
Location Uncertainty	Horizontal: 0.4 km; Vertical 1.1 km
Parameters	Nph = 23; Dmin = 10.0 km; Rmss = 0.16 seconds; Gp = 68° Version = 6
Event ID	nc 75288851 ***This event has been revised.

(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
CISN Northern California Management Center
U.S. Geological Survey
Berkeley Seismological Laboratory
http://www.cisn.org/ncmc.html

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