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 #6: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 0:15:28 AM (PDT) on Sunday, August 17, 2025.
The magnitude 0.4 event occurred 5 km (3 miles) WSW of Anza, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 0.4 - local magnitude (Ml) |
| Time | Sunday, August 17, 2025 at 0:15:28 AM (PDT) Sunday, August 17, 2025 at 7:15:28 (UTC) |
| Distance from |
Anza, CA - 5 km (3 miles) WSW (243 degrees) Aguanga, CA - 17 km (10 miles) NE (52 degrees) Idyllwild, CA - 23 km (14 miles) S (181 degrees) Palomar Observatory, CA - 24 km (15 miles) NNE (33 degrees) Warner Springs, CA - 29 km (18 miles) NNW (344 degrees) |
| Coordinates | 33 deg. 32.1 min. N (33.534N), 116 deg. 43.3 min. W (116.722W) |
| Depth | 5.73 km (3.60 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=22, Nph=38, Dmin=3.7 km, Rmss=0.09 sec, Erho=0.14 km, Erzz=0.31 km, Gp=40 degrees |
| Event ID# | ci40401010 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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