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 is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro earthquake occurred at 7:39:35 AM (PDT) on Sunday, October 26, 2025.
The magnitude 1.5 event occurred 7 km (5 miles) NNW of Lafayette, CA.
The hypocentral depth is 14 km ( 9 miles).


Magnitude 1.5 - duration magnitude (Md)
Time Sunday, October 26, 2025 at 7:39:35 AM (PDT)
Sunday, October 26, 2025 at 14:39:35 (UTC)
Distance from Lafayette, CA - 7 km (5 miles) NNW (332 degrees)
Orinda, CA - 8 km (5 miles) NNE (14 degrees)
Martinez, CA - 8 km (5 miles) SSW (194 degrees)
Pleasant Hill, CA - 8 km (5 miles) W (268 degrees)
Pacheco, CA - 8 km (5 miles) WSW (240 degrees)
Coordinates 37 deg. 56.7 min. N (37.945N), 122 deg. 9.5 min. W (122.158W)
Depth 13.76 km (8.60 miles)
Quality Excellent
Location Quality Parameters Nst=22, Nph=22, Dmin=2.9 km, Rmss=0.04 sec, Erho=0.24 km, Erzz=0.479999989 km, Gp=62 degrees
Event ID# nc75254821
Additional Information Map

For more information, see https://earthquake.usgs.gov

[ Index map || Big earthquake list || All earthquake list || Glossary of terms || Top page ]
[ Did you feel it? || ShakeMaps || Relative2Me ]
[ Data Sources ]

Special maps
Long Valley || Los Angeles || San Francisco

Data Sources
US and World - USGS/NEIC = National Earthquake Information Center
Northern California - UCB = University of California, Berkeley
Southern California - Caltech = California Institute of Technology
Nevada - UNR = University of Nevada, Reno
Offshore = West Coast & Alaska Tsunami Warning Center
...all members of the Advanced National Seismic System (ANSS)