Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California


Version #2: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro earthquake occurred at 7:04:36 AM (PST) on Monday, February 2, 2026.
The magnitude 2.3 event occurred 5 km (3 miles) N of Dublin, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 2.3 - local magnitude (Ml)
Time Monday, February 2, 2026 at 7:04:36 AM (PST)
Monday, February 2, 2026 at 15:04:36 (UTC)
Distance from Dublin, CA - 5 km (3 miles) N (360 degrees)
San Ramon, CA - 5 km (3 miles) SE (136 degrees)
Blackhawk, CA - 9 km (5 miles) SSW (197 degrees)
Diablo, CA - 10 km (6 miles) S (169 degrees)
Danville, CA - 10 km (6 miles) SE (146 degrees)
Coordinates 37 deg. 44.8 min. N (37.746N), 121 deg. 56.2 min. W (121.936W)
Depth 6.96 km (4.30 miles)
Quality Good
Location Quality Parameters Nst=8, Nph=8, Dmin=11.4 km, Rmss=0.04 sec, Erho=0.35 km, Erzz=1.50999999 km, Gp=132 degrees
Event ID# nc75305751
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For more information, see https://earthquake.usgs.gov

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