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 #4: 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 12:52:44 PM (PDT) on Thursday, October 23, 2025.
The magnitude 0.9 event occurred 4 km (2 miles) WNW of Muscoy, CA.
The hypocentral depth is 11 km ( 7 miles).
| Magnitude | 0.9 - local magnitude (Ml) |
| Time | Thursday, October 23, 2025 at 12:52:44 PM (PDT) Thursday, October 23, 2025 at 19:52:44 (UTC) |
| Distance from |
Muscoy, CA - 4 km (2 miles) WNW (293 degrees) Devore, CA - 6 km (4 miles) SSE (164 degrees) Rialto, CA - 7 km (4 miles) N (350 degrees) San Bernardino, CA - 9 km (6 miles) WNW (297 degrees) Fontana, CA - 10 km (6 miles) NE (42 degrees) |
| Coordinates | 34 deg. 10.1 min. N (34.168N), 117 deg. 23.0 min. W (117.383W) |
| Depth | 10.79 km (6.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=30, Nph=49, Dmin=11.7 km, Rmss=0.16 sec, Erho=0.24 km, Erzz=0.41 km, Gp=86 degrees |
| Event ID# | ci41113359 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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