2023-01-20 08:01:14 UPDATED: (M4.2) Northern California 41.1 -123.9 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.2 Earthquake - Northern California

Preliminary Report

Magnitude	4.2
Date-Time	20 Jan 2023 08:01:15 UTC 20 Jan 2023 00:01:15 near epicenter 20 Jan 2023 00:01:15 standard time in your timezone
Location	41.128N 123.875W
Depth	25 km
Distances	21.2 km (13.1 mi) ENE of Westhaven-Moonstone, California 27.7 km (17.2 mi) NE of McKinleyville, California 33.9 km (21.0 mi) NNE of Arcata, California 35.5 km (22.0 mi) NNE of Bayside, California 348.5 km (216.0 mi) NW of Sacramento, California
Location Uncertainty	Horizontal: 0.5 km; Vertical 3.1 km
Parameters	Nph = 67; Dmin = 0.0 km; Rmss = 0.29 seconds; Gp = 138° Version = 2
Event ID	nc 73834441 ***This event supersedes event EW1674201680.

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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