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 5:00:17 AM (PST) on Thursday, December 4, 2025.
The magnitude 0.5 event occurred 5 km (3 miles) WSW of Aguanga, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 0.5 - local magnitude (Ml) |
| Time | Thursday, December 4, 2025 at 5:00:17 AM (PST) Thursday, December 4, 2025 at 13:00:17 (UTC) |
| Distance from |
Aguanga, CA - 5 km (3 miles) WSW (246 degrees) Palomar Observatory, CA - 9 km (6 miles) NNW (329 degrees) Pala, CA - 17 km (10 miles) ENE (66 degrees) Temecula, CA - 23 km (14 miles) ESE (109 degrees) Lake Henshaw, CA - 25 km (15 miles) NW (326 degrees) |
| Coordinates | 33 deg. 25.5 min. N (33.425N), 116 deg. 54.8 min. W (116.913W) |
| Depth | 7.54 km (4.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=38, Nph=62, Dmin=6.3 km, Rmss=0.22 sec, Erho=0.23 km, Erzz=0.6 km, Gp=31 degrees |
| Event ID# | ci41132359 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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