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 #7: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 2:20:40 AM (PDT) on Monday, August 11, 2025.
The magnitude 1.1 event occurred 8 km (5 miles) S of Calimesa, CA.
The hypocentral depth is 15 km ( 9 miles).
| Magnitude | 1.1 - local magnitude (Ml) |
| Time | Monday, August 11, 2025 at 2:20:40 AM (PDT) Monday, August 11, 2025 at 9:20:40 (UTC) |
| Distance from |
Calimesa, CA - 8 km (5 miles) S (185 degrees) Beaumont, CA - 8 km (5 miles) WSW (258 degrees) Yucaipa, CA - 13 km (8 miles) S (187 degrees) Moreno Valley, CA - 15 km (10 miles) E (95 degrees) Nuevo, CA - 15 km (9 miles) NNE (32 degrees) |
| Coordinates | 33 deg. 54.9 min. N (33.914N), 117 deg. 3.7 min. W (117.061W) |
| Depth | 14.60 km (9.10 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=56, Nph=93, Dmin=7.5 km, Rmss=0.15 sec, Erho=0.14 km, Erzz=0.36 km, Gp=32 degrees |
| Event ID# | ci41258296 |
| 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)
