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 0:45:45 AM (PST) on Tuesday, December 9, 2025.
The magnitude 0.7 event occurred 10 km (6 miles) WNW of Palomar Observatory, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 0.7 - local magnitude (Ml) |
| Time | Tuesday, December 9, 2025 at 0:45:45 AM (PST) Tuesday, December 9, 2025 at 8:45:45 (UTC) |
| Distance from |
Palomar Observatory, CA - 10 km (6 miles) WNW (291 degrees) Pala, CA - 11 km (7 miles) ENE (76 degrees) Aguanga, CA - 11 km (7 miles) SW (236 degrees) Valley Center, CA - 20 km (12 miles) NNE (19 degrees) Temecula, CA - 21 km (13 miles) SE (125 degrees) |
| Coordinates | 33 deg. 23.3 min. N (33.388N), 116 deg. 57.9 min. W (116.964W) |
| Depth | 7.17 km (4.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=44, Nph=75, Dmin=6.3 km, Rmss=0.21 sec, Erho=0.19 km, Erzz=0.59 km, Gp=37 degrees |
| Event ID# | ci41135783 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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