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 #7: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 6:23:46 PM (PDT) on Wednesday, August 20, 2025.
The magnitude 0.3 event occurred 5 km (3 miles) WSW of Anza, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 0.3 - local magnitude (Ml) |
| Time | Wednesday, August 20, 2025 at 6:23:46 PM (PDT) Thursday, August 21, 2025 at 1:23:46 (UTC) |
| Distance from |
Anza, CA - 5 km (3 miles) WSW (245 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) Valle Vista, CA - 28 km (18 miles) SSE (147 degrees) |
| Coordinates | 33 deg. 32.1 min. N (33.535N), 116 deg. 43.5 min. W (116.725W) |
| Depth | 6.61 km (4.10 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=17, Nph=25, Dmin=3.6 km, Rmss=0.13 sec, Erho=0.24 km, Erzz=0.38 km, Gp=78 degrees |
| Event ID# | ci41270256 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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