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 event has been reviewed by a seismologist.
A micro earthquake occurred at 0:11:11 AM (PST) on Tuesday, December 23, 2025.
The magnitude 2.7 event occurred 5 km (3 miles) N of Dublin, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 2.7 - local magnitude (Ml) |
| Time | Tuesday, December 23, 2025 at 0:11:11 AM (PST) Tuesday, December 23, 2025 at 8:11:11 (UTC) |
| Distance from |
Dublin, CA - 5 km (3 miles) N (352 degrees) San Ramon, CA - 5 km (3 miles) SE (139 degrees) Blackhawk, CA - 9 km (5 miles) SSW (202 degrees) Danville, CA - 9 km (6 miles) SSE (149 degrees) Diablo, CA - 10 km (6 miles) S (173 degrees) |
| Coordinates | 37 deg. 45.0 min. N (37.749N), 121 deg. 56.7 min. W (121.944W) |
| Depth | 9.11 km (5.70 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=64, Nph=64, Dmin=9.6 km, Rmss=0.53 sec, Erho=1.39 km, Erzz=1.764 km, Gp=27 degrees |
| Event ID# | nc75285161 |
| 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)
