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 5:44:16 AM (PDT) on Sunday, August 17, 2025.
The magnitude 0.5 event occurred 5 km (3 miles) WSW of Anza, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 0.5 - local magnitude (Ml) |
| Time | Sunday, August 17, 2025 at 5:44:16 AM (PDT) Sunday, August 17, 2025 at 12:44:16 (UTC) |
| Distance from |
Anza, CA - 5 km (3 miles) WSW (241 degrees) Aguanga, CA - 16 km (10 miles) NE (53 degrees) Idyllwild, CA - 23 km (14 miles) S (181 degrees) Palomar Observatory, CA - 23 km (15 miles) NE (34 degrees) Warner Springs, CA - 29 km (18 miles) NNW (343 degrees) |
| Coordinates | 33 deg. 31.9 min. N (33.532N), 116 deg. 43.4 min. W (116.724W) |
| Depth | 5.46 km (3.40 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=35, Nph=62, Dmin=3.9 km, Rmss=0.15 sec, Erho=0.16 km, Erzz=0.39 km, Gp=26 degrees |
| Event ID# | ci40401122 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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