2026-02-02 15:01:13 UPDATED: (M4.3) Northern California 37.8 -121.9 (90be5)

M4.3 Earthquake - Northern California

Preliminary Report

Magnitude	4.3
Date-Time	Universal Time (UTC): 2 Feb 2026 15:01:14 Time near the Epicenter (1): 2 Feb 2026 07:01:14 Time in your area (1): 2 Feb 2026 07:01:14
Location	37.760N 121.936W
Depth	9 km
Distances	4.3 km (2.7 mi) ESE of San Ramon, California 6.4 km (4.0 mi) N of Dublin, California 8.8 km (5.5 mi) SE of Danville, California 12.1 km (7.5 mi) NNW of Pleasanton, California 99.1 km (61.4 mi) SSW of Sacramento, California
Location Uncertainty	Horizontal: 0.1 km; Vertical 0.4 km
Parameters	Nph = 100; Dmin = 11.6 km; Rmss = 0.15 seconds; Gp = 26° Version = 2
Event ID	nc 75305736 ***This event supersedes event EW1770044470, AT00t9u722.

(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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