2021-12-08 03:04:40 UPDATED: (M4.0) off the coast of Northern California 40.4 -125.6 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.0 Earthquake - off the coast of Northern California

Preliminary Report

Magnitude	4.0
Date-Time	8 Dec 2021 03:04:40 UTC 7 Dec 2021 19:04:40 near epicenter 7 Dec 2021 19:04:40 standard time in your timezone
Location	40.391N 125.607W
Depth	27 km
Distances	115.7 km (71.8 mi) W of Ferndale, California 125.1 km (77.5 mi) W of Fortuna, California 130.4 km (80.9 mi) WSW of Eureka, California 139.4 km (86.4 mi) WSW of Arcata, California 406.8 km (252.2 mi) WNW of Sacramento, California
Location Uncertainty	Horizontal: 1.4 km; Vertical 18.6 km
Parameters	Nph = 75; Dmin = 108.1 km; Rmss = 0.26 seconds; Gp = 247° Version = 6
Event ID	nc 73661141 ***This event has been revised.

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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