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 11:24:48 PM (PST) on Monday, November 17, 2025.
The magnitude 1.4 event occurred 4 km (2 miles) SE of San Ramon, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 1.4 - duration magnitude (Md)
Time Monday, November 17, 2025 at 11:24:48 PM (PST)
Tuesday, November 18, 2025 at 7:24:48 (UTC)
Distance from San Ramon, CA - 4 km (2 miles) SE (128 degrees)
Dublin, CA - 6 km (4 miles) N (355 degrees)
Blackhawk, CA - 8 km (5 miles) SSW (203 degrees)
Diablo, CA - 9 km (5 miles) S (171 degrees)
Danville, CA - 9 km (5 miles) SE (144 degrees)
Coordinates 37 deg. 45.5 min. N (37.758N), 121 deg. 56.5 min. W (121.942W)
Depth 6.13 km (3.80 miles)
Quality Excellent
Location Quality Parameters Nst=9, Nph=9, Dmin=3.3 km, Rmss=0.10 sec, Erho=0.45 km, Erzz=0.860000014 km, Gp=83 degrees
Event ID# nc75265046
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)