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

A micro earthquake occurred at 1:56:45 PM (PDT) on Friday, July 18, 2025.
The magnitude 0.5 event occurred 5 km (3 miles) WSW of Anza, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 0.5 - local magnitude (Ml)
Time Friday, July 18, 2025 at 1:56:45 PM (PDT)
Friday, July 18, 2025 at 20:56:45 (UTC)
Distance from Anza, CA - 5 km (3 miles) WSW (246 degrees)
Aguanga, CA - 17 km (11 miles) NE (52 degrees)
Idyllwild, CA - 23 km (14 miles) S (181 degrees)
Palomar Observatory, CA - 24 km (15 miles) NNE (33 degrees)
Valle Vista, CA - 28 km (18 miles) SE (146 degrees)
Coordinates 33 deg. 32.2 min. N (33.537N), 116 deg. 43.3 min. W (116.722W)
Depth 5.95 km (3.70 miles)
Quality Excellent
Location Quality Parameters Nst=20, Nph=34, Dmin=3.4 km, Rmss=0.09 sec, Erho=0.15 km, Erzz=0.31 km, Gp=41 degrees
Event ID# ci41025959
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)