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 9:41:18 PM (PDT) on Thursday, October 23, 2025.
The magnitude 0.8 event occurred 7 km (4 miles) WSW of Anza, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 0.8 - local magnitude (Ml) |
| Time | Thursday, October 23, 2025 at 9:41:18 PM (PDT) Friday, October 24, 2025 at 4:41:18 (UTC) |
| Distance from |
Anza, CA - 7 km (4 miles) WSW (239 degrees) Aguanga, CA - 15 km (9 miles) NE (53 degrees) Palomar Observatory, CA - 22 km (14 miles) NNE (32 degrees) Idyllwild, CA - 24 km (15 miles) S (184 degrees) Warner Springs, CA - 29 km (18 miles) NNW (340 degrees) |
| Coordinates | 33 deg. 31.4 min. N (33.523N), 116 deg. 44.3 min. W (116.738W) |
| Depth | 3.44 km (2.10 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=43, Nph=79, Dmin=4.7 km, Rmss=0.2 sec, Erho=0.16 km, Erzz=0.42 km, Gp=31 degrees |
| Event ID# | ci41113543 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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