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 event has been reviewed by a seismologist.
A micro earthquake occurred at 3:38:26 PM (PST) on Friday, December 19, 2025.
The magnitude 1.0 event occurred 3 km (2 miles) NNW of Muscoy, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Friday, December 19, 2025 at 3:38:26 PM (PST) Friday, December 19, 2025 at 23:38:26 (UTC) |
| Distance from |
Muscoy, CA - 3 km (2 miles) NNW (328 degrees) Devore, CA - 6 km (4 miles) SE (143 degrees) Rialto, CA - 8 km (5 miles) N (6 degrees) San Bernardino, CA - 8 km (5 miles) NW (310 degrees) Crestline, CA - 10 km (6 miles) SW (224 degrees) |
| Coordinates | 34 deg. 10.7 min. N (34.178N), 117 deg. 21.7 min. W (117.362W) |
| Depth | 7.03 km (4.40 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=36, Nph=56, Dmin=3.2 km, Rmss=0.18 sec, Erho=0.19 km, Erzz=0.54 km, Gp=60 degrees |
| Event ID# | ci41143263 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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