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 9:47:09 PM (PDT) on Tuesday, September 23, 2025.
The magnitude 1.4 event occurred 13 km (8 miles) NE (52 degrees) of Yucaipa, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.4 - local magnitude (Ml) |
| Time | Tuesday, September 23, 2025 at 9:47:09 PM (PDT) Wednesday, September 24, 2025 at 4:47:09 (UTC) |
| Distance from |
Yucaipa, CA - 13 km (8 miles) NE (52 degrees) Big Bear Lake, CA - 16 km (10 miles) S (187 degrees) Calimesa, CA - 17 km (11 miles) NE (41 degrees) Mentone, CA - 19 km (12 miles) ENE (78 degrees) Big Bear City, CA - 19 km (12 miles) SSW (205 degrees) |
| Coordinates | 34 deg. 6.2 min. N (34.104N), 116 deg. 56.0 min. W (116.933W) |
| Depth | 5.64 km (3.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=75, Nph=140, Dmin=1.2 km, Rmss=0.15 sec, Erho=0.11 km, Erzz=0.3 km, Gp=32 degrees |
| Event ID# | ci40449306 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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