Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

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


Version #0: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 7:03:56 AM (PST) on Monday, February 2, 2026.
The magnitude 2.7 event occurred 3 km (2 miles) ESE of San Ramon, CA.
The hypocentral depth is 7 km ( 5 miles).


Magnitude 2.7 - local magnitude (Ml)
Time Monday, February 2, 2026 at 7:03:56 AM (PST)
Monday, February 2, 2026 at 15:03:56 (UTC)
Distance from San Ramon, CA - 3 km (2 miles) ESE (123 degrees)
Dublin, CA - 7 km (4 miles) N (351 degrees)
Blackhawk, CA - 7 km (4 miles) SSW (210 degrees)
Diablo, CA - 8 km (5 miles) S (174 degrees)
Danville, CA - 8 km (5 miles) SE (145 degrees)
Coordinates 37 deg. 45.9 min. N (37.765N), 121 deg. 56.9 min. W (121.949W)
Depth 7.47 km (4.60 miles)
Quality Good
Location Quality Parameters Nst=39, Nph=39, Dmin=9.7 km, Rmss=0.28 sec, Erho=1.48 km, Erzz=2.144 km, Gp=43 degrees
Event ID# nc75305746
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For more information, see https://earthquake.usgs.gov

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