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 #3: 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 6:09:41 PM (PST) on Tuesday, December 30, 2025.
The magnitude 0.9 event occurred 10 km (6 miles) ESE of Running Springs, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 0.9 - local magnitude (Ml) |
| Time | Tuesday, December 30, 2025 at 6:09:41 PM (PST) Wednesday, December 31, 2025 at 2:09:41 (UTC) |
| Distance from |
Running Springs, CA - 10 km (6 miles) ESE (105 degrees) Big Bear Lake, CA - 11 km (7 miles) SW (230 degrees) Big Bear City, CA - 17 km (10 miles) WSW (239 degrees) Yucaipa, CA - 17 km (11 miles) NNE (13 degrees) Mentone, CA - 18 km (11 miles) NE (44 degrees) |
| Coordinates | 34 deg. 11.0 min. N (34.183N), 117 deg. 0.0 min. W (117.000W) |
| Depth | 8.30 km (5.20 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=22, Nph=37, Dmin=8.2 km, Rmss=0.19 sec, Erho=0.3 km, Erzz=0.56 km, Gp=48 degrees |
| Event ID# | ci41149871 |
| 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)
