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 3:43:57 AM (PDT) on Tuesday, July 15, 2025.
The magnitude 0.4 event occurred 6 km (4 miles) WSW of Anza, CA.
The hypocentral depth is 4 km ( 2 miles).


Magnitude 0.4 - local magnitude (Ml)
Time Tuesday, July 15, 2025 at 3:43:57 AM (PDT)
Tuesday, July 15, 2025 at 10:43:57 (UTC)
Distance from Anza, CA - 6 km (4 miles) WSW (245 degrees)
Aguanga, CA - 16 km (10 miles) NE (51 degrees)
Idyllwild, CA - 23 km (14 miles) S (183 degrees)
Palomar Observatory, CA - 23 km (15 miles) NNE (32 degrees)
Valle Vista, CA - 28 km (18 miles) SSE (148 degrees)
Coordinates 33 deg. 32.0 min. N (33.533N), 116 deg. 43.8 min. W (116.730W)
Depth 3.84 km (2.40 miles)
Quality Excellent
Location Quality Parameters Nst=22, Nph=40, Dmin=3.6 km, Rmss=0.11 sec, Erho=0.16 km, Erzz=0.26 km, Gp=79 degrees
Event ID# ci41023095
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)