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 7:06:29 AM (PDT) on Thursday, October 23, 2025.
The magnitude 0.7 event occurred 6 km (3 miles) SW of Lytle Creek, CA.
The hypocentral depth is 13 km ( 8 miles).
| Magnitude | 0.7 - local magnitude (Ml) |
| Time | Thursday, October 23, 2025 at 7:06:29 AM (PDT) Thursday, October 23, 2025 at 14:06:29 (UTC) |
| Distance from |
Lytle Creek, CA - 6 km (3 miles) SW (226 degrees) Rancho Cucamonga, CA - 12 km (7 miles) NNE (17 degrees) Devore, CA - 13 km (8 miles) W (271 degrees) Fontana, CA - 16 km (10 miles) NNW (331 degrees) Upland, CA - 17 km (11 miles) NE (35 degrees) |
| Coordinates | 34 deg. 13.5 min. N (34.224N), 117 deg. 32.6 min. W (117.543W) |
| Depth | 13.12 km (8.20 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=19, Nph=32, Dmin=4.4 km, Rmss=0.11 sec, Erho=0.27 km, Erzz=0.34 km, Gp=66 degrees |
| Event ID# | ci41113223 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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