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 10:22:23 PM (PDT) on Monday, August 4, 2025.
The magnitude 0.6 event occurred 9 km (5 miles) SW of Idyllwild, CA.
The hypocentral depth is 17 km (10 miles).


Magnitude 0.6 - local magnitude (Ml)
Time Monday, August 4, 2025 at 10:22:23 PM (PDT)
Tuesday, August 5, 2025 at 5:22:23 (UTC)
Distance from Idyllwild, CA - 9 km (5 miles) SW (228 degrees)
Valle Vista, CA - 12 km (7 miles) SE (124 degrees)
Hemet, CA - 18 km (11 miles) ESE (111 degrees)
Anza, CA - 18 km (11 miles) NW (324 degrees)
San Jacinto, CA - 19 km (12 miles) SE (124 degrees)
Coordinates 33 deg. 41.3 min. N (33.688N), 116 deg. 47.3 min. W (116.788W)
Depth 16.52 km (10.30 miles)
Quality Excellent
Location Quality Parameters Nst=14, Nph=24, Dmin=8.5 km, Rmss=0.12 sec, Erho=0.34 km, Erzz=0.63 km, Gp=80 degrees
Event ID# ci41253264
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)