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 10:56:14 PM (PDT) on Sunday, September 21, 2025.
The magnitude 1.7 event occurred 34 km (21 miles) NE (53 degrees) of Lucerne Valley, CA.
The hypocentral depth is 4 km ( 2 miles).
| Magnitude | 1.7 - local magnitude (Ml) |
| Time | Sunday, September 21, 2025 at 10:56:14 PM (PDT) Monday, September 22, 2025 at 5:56:14 (UTC) |
| Distance from |
Lucerne Valley, CA - 34 km (21 miles) NE (53 degrees) Big Bear City, CA - 44 km (27 miles) NNE (22 degrees) Barstow, CA - 44 km (27 miles) SE (132 degrees) Ludlow, CA - 47 km (29 miles) WSW (258 degrees) Big Bear Lake, CA - 48 km (30 miles) NNE (28 degrees) |
| Coordinates | 34 deg. 37.8 min. N (34.630N), 116 deg. 40.0 min. W (116.666W) |
| Depth | 3.98 km (2.50 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=45, Nph=80, Dmin=4.2 km, Rmss=0.14 sec, Erho=0.15 km, Erzz=0.42 km, Gp=45 degrees |
| Event ID# | ci40447826 |
| 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)
