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 9:15:06 AM (PDT) on Saturday, October 4, 2025.
The magnitude 0.5 event occurred 2 km (1 miles) N (6 degrees) of Palomar Observatory, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 0.5 - local magnitude (Ml) |
| Time | Saturday, October 4, 2025 at 9:15:06 AM (PDT) Saturday, October 4, 2025 at 16:15:06 (UTC) |
| Distance from |
Palomar Observatory, CA - 2 km (1 miles) N (6 degrees) Aguanga, CA - 7 km (5 miles) S (177 degrees) Lake Henshaw, CA - 17 km (11 miles) NNW (329 degrees) Pala, CA - 20 km (12 miles) E (87 degrees) Valley Center, CA - 24 km (15 miles) NE (43 degrees) |
| Coordinates | 33 deg. 22.5 min. N (33.376N), 116 deg. 51.7 min. W (116.861W) |
| Depth | 5.28 km (3.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=26, Nph=47, Dmin=2.4 km, Rmss=0.19 sec, Erho=0.26 km, Erzz=0.77 km, Gp=39 degrees |
| Event ID# | ci41102527 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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