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 9:30:21 PM (PST) on Tuesday, February 3, 2026.
The magnitude 1.6 event occurred 12 km (7 miles) E (88 degrees) of Yountville, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Tuesday, February 3, 2026 at 9:30:21 PM (PST) Wednesday, February 4, 2026 at 5:30:21 (UTC) |
| Distance from |
Yountville, CA - 12 km (7 miles) E (88 degrees) Napa, CA - 13 km (8 miles) NNE (24 degrees) Green Valley, CA - 18 km (11 miles) NNW (343 degrees) Vacaville, CA - 21 km (13 miles) WNW (285 degrees) Sonoma, CA - 24 km (15 miles) ENE (58 degrees) |
| Coordinates | 38 deg. 24.3 min. N (38.405N), 122 deg. 13.4 min. W (122.223W) |
| Depth | 5.27 km (3.30 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=13, Nph=13, Dmin=2.8 km, Rmss=0.14 sec, Erho=0.46 km, Erzz=0.850000024 km, Gp=81 degrees |
| Event ID# | nc75308137 |
| 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)
