2025-07-29 23:18:18 UPDATED: (M4.3) off the coast of Northern California 40.8 -125.1 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.3 Earthquake - off the coast of Northern California

Preliminary Report

Magnitude	4.3
Date-Time	Universal Time (UTC): 29 Jul 2025 23:18:19 Time near the Epicenter (1): 29 Jul 2025 16:18:19 Time in your area (1): 29 Jul 2025 15:18:19
Location	40.763N 125.110W
Depth	10 km
Distances	74.5 km (46.2 mi) WNW of Ferndale, California 80.0 km (49.6 mi) W of Eureka, California 82.6 km (51.2 mi) WNW of Fortuna, California 87.5 km (54.2 mi) W of Arcata, California 393.5 km (244.0 mi) NW of Sacramento, California
Location Uncertainty	Horizontal: 0.8 km; Vertical 20.5 km
Parameters	Nph = 156; Dmin = 72.8 km; Rmss = 0.23 seconds; Gp = 224° Version = 2
Event ID	nc 75216737 ***This event supersedes event EW1753831110.

(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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