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

A micro earthquake occurred at 7:55:58 AM (PDT) on Wednesday, July 23, 2025.
The magnitude 0.4 event occurred 5 km (3 miles) WNW of Anza, CA.
The hypocentral depth is 4 km ( 3 miles).


Magnitude 0.4 - local magnitude (Ml)
Time Wednesday, July 23, 2025 at 7:55:58 AM (PDT)
Wednesday, July 23, 2025 at 14:55:58 (UTC)
Distance from Anza, CA - 5 km (3 miles) WNW (297 degrees)
Idyllwild, CA - 18 km (11 miles) S (181 degrees)
Aguanga, CA - 20 km (12 miles) NE (42 degrees)
Valle Vista, CA - 25 km (16 miles) SE (140 degrees)
Palomar Observatory, CA - 28 km (17 miles) NNE (28 degrees)
Coordinates 33 deg. 34.5 min. N (33.575N), 116 deg. 43.3 min. W (116.721W)
Depth 4.22 km (2.60 miles)
Quality Good
Location Quality Parameters Nst=10, Nph=17, Dmin=1.8 km, Rmss=0.15 sec, Erho=0.38 km, Erzz=0.47 km, Gp=112 degrees
Event ID# ci41029823
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)