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 7:30:30 AM (PDT) on Sunday, October 26, 2025.
The magnitude 2.4 event occurred 7 km (5 miles) NNW of Lafayette, CA.
The hypocentral depth is 15 km (10 miles).
| Magnitude | 2.4 - duration magnitude (Md) |
| Time | Sunday, October 26, 2025 at 7:30:30 AM (PDT) Sunday, October 26, 2025 at 14:30:30 (UTC) |
| Distance from |
Lafayette, CA - 7 km (5 miles) NNW (333 degrees) Orinda, CA - 8 km (5 miles) NNE (16 degrees) Pleasant Hill, CA - 8 km (5 miles) W (267 degrees) Pacheco, CA - 8 km (5 miles) WSW (238 degrees) Martinez, CA - 9 km (5 miles) SSW (193 degrees) |
| Coordinates | 37 deg. 56.7 min. N (37.944N), 122 deg. 9.3 min. W (122.155W) |
| Depth | 15.46 km (9.60 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=73, Nph=67, Dmin=2.8 km, Rmss=0.13 sec, Erho=0.19 km, Erzz=0.340000004 km, Gp=34 degrees |
| Event ID# | nc75254816 |
| 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)
