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 #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 11:36:07 PM (PDT) on Wednesday, August 27, 2025.
The magnitude 0.4 event occurred 6 km (4 miles) NNE (14 degrees) of Lake Henshaw, CA.
The hypocentral depth is 13 km ( 8 miles).
| Magnitude | 0.4 - local magnitude (Ml) |
| Time | Wednesday, August 27, 2025 at 11:36:07 PM (PDT) Thursday, August 28, 2025 at 6:36:07 (UTC) |
| Distance from |
Lake Henshaw, CA - 6 km (4 miles) NNE (14 degrees) Warner Springs, CA - 11 km (7 miles) W (279 degrees) Palomar Observatory, CA - 13 km (8 miles) ESE (121 degrees) Aguanga, CA - 20 km (12 miles) SE (146 degrees) Valley Center, CA - 28 km (17 miles) ENE (72 degrees) |
| Coordinates | 33 deg. 17.8 min. N (33.296N), 116 deg. 44.8 min. W (116.747W) |
| Depth | 13.26 km (8.20 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=26, Nph=47, Dmin=6.8 km, Rmss=0.14 sec, Erho=0.25 km, Erzz=0.44 km, Gp=69 degrees |
| Event ID# | ci41277192 |
| 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)
