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 3:45:32 PM (PDT) on Monday, August 4, 2025.
The magnitude 1.3 event occurred 10 km (6 miles) NW of Anza, CA.
The hypocentral depth is 16 km (10 miles).
| Magnitude | 1.3 - local magnitude (Ml) |
| Time | Monday, August 4, 2025 at 3:45:32 PM (PDT) Monday, August 4, 2025 at 22:45:32 (UTC) |
| Distance from |
Anza, CA - 10 km (6 miles) NW (320 degrees) Idyllwild, CA - 13 km (8 miles) S (190 degrees) Valle Vista, CA - 19 km (12 miles) SE (134 degrees) Aguanga, CA - 23 km (14 miles) NNE (29 degrees) Hemet, CA - 25 km (16 miles) ESE (123 degrees) |
| Coordinates | 33 deg. 37.6 min. N (33.626N), 116 deg. 44.7 min. W (116.744W) |
| Depth | 16.15 km (10.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=53, Nph=92, Dmin=6.8 km, Rmss=0.19 sec, Erho=0.17 km, Erzz=0.34 km, Gp=25 degrees |
| Event ID# | ci41253072 |
| 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)
