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 10:38:18 AM (PDT) on Tuesday, September 23, 2025.
The magnitude 1.2 event occurred 13 km (8 miles) SSW of Big Bear Lake, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 1.2 - local magnitude (Ml) |
| Time | Tuesday, September 23, 2025 at 10:38:18 AM (PDT) Tuesday, September 23, 2025 at 17:38:18 (UTC) |
| Distance from |
Big Bear Lake, CA - 13 km (8 miles) SSW (207 degrees) Running Springs, CA - 14 km (9 miles) ESE (120 degrees) Yucaipa, CA - 14 km (9 miles) NNE (28 degrees) Mentone, CA - 17 km (11 miles) ENE (62 degrees) Big Bear City, CA - 18 km (11 miles) SW (222 degrees) |
| Coordinates | 34 deg. 8.5 min. N (34.142N), 116 deg. 58.4 min. W (116.973W) |
| Depth | 9.84 km (6.10 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=49, Nph=79, Dmin=6.4 km, Rmss=0.13 sec, Erho=0.13 km, Erzz=0.23 km, Gp=30 degrees |
| Event ID# | ci40448922 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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