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 8:26:35 PM (PST) on Thursday, December 4, 2025.
The magnitude 0.5 event occurred 2 km (1 miles) ENE (69 degrees) of Winchester, CA.
The hypocentral depth is 11 km ( 7 miles).
| Magnitude | 0.5 - local magnitude (Ml) |
| Time | Thursday, December 4, 2025 at 8:26:35 PM (PST) Friday, December 5, 2025 at 4:26:35 (UTC) |
| Distance from |
Winchester, CA - 2 km (1 miles) ENE (69 degrees) Green Acres, CA - 3 km (2 miles) SSE (162 degrees) Menifee, CA - 8 km (5 miles) ESE (103 degrees) Hemet, CA - 10 km (6 miles) WSW (246 degrees) Nuevo, CA - 12 km (8 miles) SE (143 degrees) |
| Coordinates | 33 deg. 42.8 min. N (33.713N), 117 deg. 4.0 min. W (117.067W) |
| Depth | 11.36 km (7.10 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=18, Nph=28, Dmin=6.0 km, Rmss=0.12 sec, Erho=0.27 km, Erzz=0.42 km, Gp=91 degrees |
| Event ID# | ci41132975 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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