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 3:43:06 PM (PST) on Friday, November 28, 2025.
The magnitude 2.2 event occurred 9 km (6 miles) W of Brentwood, CA.
The hypocentral depth is 4 km ( 3 miles).
| Magnitude | 2.2 - duration magnitude (Md) |
| Time | Friday, November 28, 2025 at 3:43:06 PM (PST) Friday, November 28, 2025 at 23:43:06 (UTC) |
| Distance from |
Brentwood, CA - 9 km (6 miles) W (263 degrees) Clayton, CA - 10 km (6 miles) ESE (106 degrees) Antioch, CA - 10 km (6 miles) SSW (192 degrees) Blackhawk, CA - 13 km (8 miles) NNE (32 degrees) Pittsburg, CA - 13 km (8 miles) SSE (159 degrees) |
| Coordinates | 37 deg. 55.0 min. N (37.917N), 121 deg. 49.8 min. W (121.830W) |
| Depth | 4.31 km (2.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=41, Nph=39, Dmin=5.1 km, Rmss=0.20 sec, Erho=0.31 km, Erzz=0.569999993 km, Gp=94 degrees |
| Event ID# | nc75271291 |
| 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)
