Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California


Version #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 10:19:56 PM (PST) on Tuesday, December 2, 2025.
The magnitude 1.2 event occurred 13 km (8 miles) N (9 degrees) of Castaic, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 1.2 - local magnitude (Ml)
Time Tuesday, December 2, 2025 at 10:19:56 PM (PST)
Wednesday, December 3, 2025 at 6:19:56 (UTC)
Distance from Castaic, CA - 13 km (8 miles) N (9 degrees)
Lake Hughes, CA - 16 km (10 miles) WSW (242 degrees)
Valencia, CA - 17 km (11 miles) N (351 degrees)
Neenach, CA - 19 km (12 miles) S (178 degrees)
Elizabeth Lake, CA - 20 km (13 miles) WSW (253 degrees)
Coordinates 34 deg. 36.5 min. N (34.608N), 118 deg. 36.1 min. W (118.601W)
Depth 7.22 km (4.50 miles)
Quality Good
Location Quality Parameters Nst=45, Nph=79, Dmin=8.6 km, Rmss=0.23 sec, Erho=0.2 km, Erzz=0.83 km, Gp=34 degrees
Event ID# ci41131383
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)