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 10:55:18 AM (PST) on Monday, December 8, 2025.
The magnitude 1.9 event occurred 5 km (3 miles) WSW of Yountville, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 1.9 - duration magnitude (Md)
Time Monday, December 8, 2025 at 10:55:18 AM (PST)
Monday, December 8, 2025 at 18:55:18 (UTC)
Distance from Yountville, CA - 5 km (3 miles) WSW (237 degrees)
Eldridge, CA - 9 km (6 miles) ENE (71 degrees)
Boyes Hot Springs, CA - 9 km (6 miles) NE (42 degrees)
Fetters Hot Springs-Agua Caliente, CA - 9 km (6 miles) NE (47 degrees)
Sonoma, CA - 10 km (6 miles) NNE (24 degrees)
Coordinates 38 deg. 22.6 min. N (38.376N), 122 deg. 24.7 min. W (122.411W)
Depth 8.25 km (5.10 miles)
Quality Excellent
Location Quality Parameters Nst=37, Nph=37, Dmin=3.4 km, Rmss=0.14 sec, Erho=0.23 km, Erzz=0.519999981 km, Gp=31 degrees
Event ID# nc75276796
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)