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 10:50:45 PM (PST) on Friday, December 5, 2025.
The magnitude 1.2 event occurred 8 km (5 miles) E (99 degrees) of East Foothills, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 1.2 - duration magnitude (Md)
Time Friday, December 5, 2025 at 10:50:45 PM (PST)
Saturday, December 6, 2025 at 6:50:45 (UTC)
Distance from East Foothills, CA - 8 km (5 miles) E (99 degrees)
Alum Rock, CA - 9 km (6 miles) E (87 degrees)
Seven Trees, CA - 14 km (8 miles) NE (47 degrees)
San Jose, CA - 15 km (9 miles) ENE (77 degrees)
Milpitas, CA - 17 km (11 miles) ESE (112 degrees)
Coordinates 37 deg. 22.2 min. N (37.370N), 121 deg. 43.6 min. W (121.726W)
Depth 7.55 km (4.70 miles)
Quality Good
Location Quality Parameters Nst=17, Nph=17, Dmin=11.1 km, Rmss=0.06 sec, Erho=0.26 km, Erzz=1.04999995 km, Gp=98 degrees
Event ID# nc75275146
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)