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 is a computer-generated message. This event has not yet been reviewed by a seismologist.
A micro earthquake occurred at 9:54:11 PM (PDT) on Wednesday, September 3, 2025.
The magnitude 0.4 event occurred 8 km (5 miles) WNW of Palomar Observatory, CA.
The hypocentral depth is 7 km ( 5 miles).
| Magnitude | 0.4 - local magnitude (Ml) |
| Time | Wednesday, September 3, 2025 at 9:54:11 PM (PDT) Thursday, September 4, 2025 at 4:54:11 (UTC) |
| Distance from |
Palomar Observatory, CA - 8 km (5 miles) WNW (289 degrees) Aguanga, CA - 10 km (6 miles) SW (226 degrees) Pala, CA - 12 km (8 miles) E (83 degrees) Valley Center, CA - 20 km (12 miles) NNE (25 degrees) Lake Henshaw, CA - 23 km (14 miles) NW (312 degrees) |
| Coordinates | 33 deg. 22.7 min. N (33.379N), 116 deg. 56.7 min. W (116.944W) |
| Depth | 7.43 km (4.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=23, Nph=41, Dmin=8.1 km, Rmss=0.17 sec, Erho=0.24 km, Erzz=0.65 km, Gp=63 degrees |
| Event ID# | ci41282760 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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