Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A minor earthquake occurred at 2:56:13 PM (PST) on Monday, February 2, 2026.
The magnitude 3.1 event occurred 4 km (2 miles) ESE of San Ramon, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 3.1 - local magnitude (Ml) |
| Time | Monday, February 2, 2026 at 2:56:13 PM (PST) Monday, February 2, 2026 at 22:56:13 (UTC) |
| Distance from |
San Ramon, CA - 4 km (2 miles) ESE (115 degrees) Dublin, CA - 7 km (4 miles) N (359 degrees) Blackhawk, CA - 7 km (4 miles) SSW (203 degrees) Danville, CA - 8 km (5 miles) SE (139 degrees) Diablo, CA - 8 km (5 miles) SSE (167 degrees) |
| Coordinates | 37 deg. 45.9 min. N (37.765N), 121 deg. 56.2 min. W (121.937W) |
| Depth | 7.82 km (4.90 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=104, Nph=116, Dmin=11.5 km, Rmss=0.42 sec, Erho=0.81 km, Erzz=6.439 km, Gp=22 degrees |
| Event ID# | nc75306256 |
| 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)
