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 3:43:53 AM (PST) on Wednesday, December 31, 2025.
The magnitude 0.5 event occurred 12 km (7 miles) WNW of Anza, CA.
The hypocentral depth is 16 km (10 miles).
| Magnitude | 0.5 - local magnitude (Ml) |
| Time | Wednesday, December 31, 2025 at 3:43:53 AM (PST) Wednesday, December 31, 2025 at 11:43:53 (UTC) |
| Distance from |
Anza, CA - 12 km (7 miles) WNW (303 degrees) Idyllwild, CA - 15 km (9 miles) SSW (202 degrees) Valle Vista, CA - 18 km (11 miles) SE (145 degrees) Aguanga, CA - 20 km (13 miles) NNE (23 degrees) Hemet, CA - 23 km (14 miles) SE (130 degrees) |
| Coordinates | 33 deg. 36.7 min. N (33.612N), 116 deg. 46.8 min. W (116.780W) |
| Depth | 16.05 km (10.00 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=29, Nph=49, Dmin=6.5 km, Rmss=0.13 sec, Erho=0.2 km, Erzz=0.42 km, Gp=43 degrees |
| Event ID# | ci41150071 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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