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 #7: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 11:57:02 PM (PDT) on Wednesday, September 24, 2025.
The magnitude 1.7 event occurred 9 km (5 miles) NNW of Big Bear City, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 1.7 - local magnitude (Ml) |
| Time | Wednesday, September 24, 2025 at 11:57:02 PM (PDT) Thursday, September 25, 2025 at 6:57:02 (UTC) |
| Distance from |
Big Bear City, CA - 9 km (5 miles) NNW (348 degrees) Big Bear Lake, CA - 11 km (7 miles) NNE (22 degrees) Lucerne Valley, CA - 15 km (9 miles) SE (141 degrees) Running Springs, CA - 27 km (17 miles) ENE (57 degrees) Lake Arrowhead, CA - 31 km (20 miles) ENE (71 degrees) |
| Coordinates | 34 deg. 20.3 min. N (34.338N), 116 deg. 51.9 min. W (116.864W) |
| Depth | 1.37 km (0.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=64, Nph=108, Dmin=3.5 km, Rmss=0.15 sec, Erho=0.12 km, Erzz=0.18 km, Gp=26 degrees |
| Event ID# | ci41097263 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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