2023-09-19 00:15:32 UPDATED: (M4.1) Northern California 37.4 -121.3 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.1 Earthquake - Northern California

Preliminary Report

Magnitude	4.1
Date-Time	Universal Time (UTC): 19 Sep 2023 00:15:33 Time near the Epicenter (1): 18 Sep 2023 17:15:33 Time in your area (1): 18 Sep 2023 16:15:33
Location	37.443N 121.287W
Depth	0 km
Distances	5.1 km (3.2 mi) N of Diablo Grande, California 14.3 km (8.9 mi) WSW of Patterson, California 27.6 km (17.1 mi) WNW of Newman, California 33.7 km (20.9 mi) SW of Modesto, California 127.7 km (79.2 mi) S of Sacramento, California
Location Uncertainty	Horizontal: 0.4 km; Vertical 1.4 km
Parameters	Nph = 80; Dmin = 6.4 km; Rmss = 0.16 seconds; Gp = 172° Version = 2
Event ID	nc 73938626 ***This event supersedes event EW1695082530.

(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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