Recent Earthquakes in California and Nevada
== PRELIMINARY EVENT 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 event has been reviewed by a seismologist.
A micro quarry occurred at 3:19:12 PM (PDT) on Friday, October 3, 2025.
The magnitude 1.6 event (a probable quarry explosion) occurred 4 km (2 miles) SE of Lucerne Valley, CA.
The hypocentral depth is -2 km (-1 miles).
| Magnitude | 1.6 - local magnitude (Ml) |
| Time | Friday, October 3, 2025 at 3:19:12 PM (PDT) Friday, October 3, 2025 at 22:19:12 (UTC) |
| Distance from |
Lucerne Valley, CA - 4 km (2 miles) SE (128 degrees) Big Bear Lake, CA - 20 km (12 miles) N (354 degrees) Big Bear City, CA - 20 km (12 miles) NNW (336 degrees) Apple Valley, CA - 25 km (15 miles) ESE (111 degrees) Running Springs, CA - 29 km (18 miles) NE (34 degrees) |
| Coordinates | 34 deg. 25.3 min. N (34.422N), 116 deg. 56.0 min. W (116.934W) |
| Depth | -1.75 km (-1.10 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=7, Nph=7, Dmin=12.8 km, Rmss=0.15 sec, Erho=1.83 km, Erzz=31.61 km, Gp=245 degrees |
| Event ID# | ci41102303 |
| 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)
