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 8:27:50 AM (PST) on Saturday, December 13, 2025.
The magnitude 0.8 event occurred 9 km (5 miles) S of The Geysers, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 0.8 - duration magnitude (Md) |
| Time | Saturday, December 13, 2025 at 8:27:50 AM (PST) Saturday, December 13, 2025 at 16:27:50 (UTC) |
| Distance from |
The Geysers, CA - 9 km (5 miles) S (179 degrees) Middletown, CA - 14 km (8 miles) WSW (244 degrees) Healdsburg, CA - 14 km (9 miles) NE (45 degrees) Cobb, CA - 14 km (9 miles) S (191 degrees) Windsor, CA - 18 km (11 miles) NNE (18 degrees) |
| Coordinates | 38 deg. 41.9 min. N (38.699N), 122 deg. 45.3 min. W (122.755W) |
| Depth | 4.89 km (3.00 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=1.3 km, Rmss=0.03 sec, Erho=0.63 km, Erzz=0.860000014 km, Gp=204 degrees |
| Event ID# | nc75279171 |
| 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)
