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 #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 3:09:56 AM (PDT) on Wednesday, October 8, 2025.
The magnitude 0.5 event occurred 15 km (9 miles) SSE of Anza, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 0.5 - local magnitude (Ml) |
| Time | Wednesday, October 8, 2025 at 3:09:56 AM (PDT) Wednesday, October 8, 2025 at 10:09:56 (UTC) |
| Distance from |
Anza, CA - 15 km (9 miles) SSE (159 degrees) Warner Springs, CA - 17 km (10 miles) N (5 degrees) Aguanga, CA - 23 km (14 miles) E (93 degrees) Palomar Observatory, CA - 24 km (15 miles) ENE (70 degrees) Lake Henshaw, CA - 25 km (16 miles) NNE (33 degrees) |
| Coordinates | 33 deg. 25.8 min. N (33.431N), 116 deg. 37.0 min. W (116.617W) |
| Depth | 8.90 km (5.50 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=36, Nph=61, Dmin=7.2 km, Rmss=0.13 sec, Erho=0.16 km, Erzz=0.4 km, Gp=38 degrees |
| Event ID# | ci41105111 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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