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 10:47:29 AM (PST) on Sunday, November 9, 2025.
The magnitude 1.8 event occurred 4 km (2 miles) SE of San Ramon, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Sunday, November 9, 2025 at 10:47:29 AM (PST) Sunday, November 9, 2025 at 18:47:29 (UTC) |
| Distance from |
San Ramon, CA - 4 km (2 miles) SE (124 degrees) Dublin, CA - 7 km (4 miles) N (354 degrees) Blackhawk, CA - 7 km (5 miles) SSW (206 degrees) Diablo, CA - 8 km (5 miles) S (171 degrees) Danville, CA - 8 km (5 miles) SE (144 degrees) |
| Coordinates | 37 deg. 45.7 min. N (37.762N), 121 deg. 56.6 min. W (121.944W) |
| Depth | 8.09 km (5.00 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=21, Nph=20, Dmin=3.0 km, Rmss=0.04 sec, Erho=0.2 km, Erzz=0.560000002 km, Gp=58 degrees |
| Event ID# | nc75261056 |
| 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)
