2023-03-21 23:18:19 UPDATED: (M4.6) near the coast of Northern California 40.5 -124.3 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.6 Earthquake - near the coast of Northern California

Preliminary Report

Magnitude	4.6
Date-Time	Universal Time (UTC): 21 Mar 2023 23:18:20 Time near the Epicenter (1): 21 Mar 2023 16:18:20 Time in your area (1): 21 Mar 2023 15:18:20
Location	40.542N 124.333W
Depth	15 km
Distances	7.0 km (4.3 mi) WSW of Ferndale, California 16.1 km (10.0 mi) WSW of Fortuna, California 32.2 km (20.0 mi) SSW of Eureka, California 40.4 km (25.0 mi) SW of Bayside, California 326.9 km (202.7 mi) NW of Sacramento, California
Location Uncertainty	Horizontal: 0.6 km; Vertical 0.3 km
Parameters	Nph = 27; Dmin = 7.4 km; Rmss = 0.09 seconds; Gp = 191° Version = 2
Event ID	nc 73860415 ***This event supersedes event EW1679440700.

(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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