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 5:28:13 PM (PST) on Friday, December 26, 2025.
The magnitude 1.0 event occurred 3 km (2 miles) WNW of Orinda, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 1.0 - duration magnitude (Md) |
| Time | Friday, December 26, 2025 at 5:28:13 PM (PST) Saturday, December 27, 2025 at 1:28:13 (UTC) |
| Distance from |
Orinda, CA - 3 km (2 miles) WNW (284 degrees) Berkeley, CA - 6 km (4 miles) ENE (77 degrees) Kensington, CA - 7 km (4 miles) ESE (116 degrees) Piedmont, CA - 7 km (4 miles) NNE (16 degrees) Albany, CA - 8 km (5 miles) E (93 degrees) |
| Coordinates | 37 deg. 53.0 min. N (37.883N), 122 deg. 12.6 min. W (122.210W) |
| Depth | 8.81 km (5.50 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=2.7 km, Rmss=0.04 sec, Erho=0.34 km, Erzz=0.769999981 km, Gp=90 degrees |
| Event ID# | nc75286911 |
| 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)
