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 9:26:25 PM (PST) on Tuesday, December 9, 2025.
The magnitude 1.0 event occurred 6 km (4 miles) NNW of Big Bear City, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Tuesday, December 9, 2025 at 9:26:25 PM (PST) Wednesday, December 10, 2025 at 5:26:25 (UTC) |
| Distance from |
Big Bear City, CA - 6 km (4 miles) NNW (346 degrees) Big Bear Lake, CA - 9 km (6 miles) NNE (31 degrees) Lucerne Valley, CA - 18 km (11 miles) SE (146 degrees) Running Springs, CA - 26 km (16 miles) ENE (63 degrees) Lake Arrowhead, CA - 31 km (19 miles) ENE (76 degrees) |
| Coordinates | 34 deg. 18.8 min. N (34.313N), 116 deg. 51.6 min. W (116.860W) |
| Depth | 7.24 km (4.50 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=41, Nph=72, Dmin=4.9 km, Rmss=0.14 sec, Erho=0.15 km, Erzz=0.3 km, Gp=38 degrees |
| Event ID# | ci41136583 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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