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 #4: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.
A micro earthquake occurred at 10:53:56 AM (PDT) on Saturday, August 23, 2025.
The magnitude 1.0 event occurred 7 km (4 miles) NE (52 degrees) of Moreno Valley, CA.
The hypocentral depth is 16 km (10 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Saturday, August 23, 2025 at 10:53:56 AM (PDT) Saturday, August 23, 2025 at 17:53:56 (UTC) |
| Distance from |
Moreno Valley, CA - 7 km (4 miles) NE (52 degrees) Redlands, CA - 10 km (6 miles) S (172 degrees) Calimesa, CA - 11 km (7 miles) WSW (257 degrees) Mentone, CA - 12 km (7 miles) SSW (194 degrees) March Air Reserve Base, CA - 12 km (8 miles) NE (47 degrees) |
| Coordinates | 33 deg. 57.9 min. N (33.966N), 117 deg. 10.0 min. W (117.167W) |
| Depth | 16.38 km (10.20 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=22, Nph=37, Dmin=2.1 km, Rmss=0.21 sec, Erho=0.3 km, Erzz=0.85 km, Gp=48 degrees |
| Event ID# | ci41272544 |
| 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)
