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 4:04:00 AM (PDT) on Thursday, July 31, 2025.
The magnitude 0.2 event occurred 6 km (3 miles) WSW of Anza, CA.
The hypocentral depth is 4 km ( 3 miles).
| Magnitude | 0.2 - local magnitude (Ml) |
| Time | Thursday, July 31, 2025 at 4:04:00 AM (PDT) Thursday, July 31, 2025 at 11:04:00 (UTC) |
| Distance from |
Anza, CA - 6 km (3 miles) WSW (249 degrees) Aguanga, CA - 16 km (10 miles) NE (50 degrees) Idyllwild, CA - 23 km (14 miles) S (182 degrees) Palomar Observatory, CA - 24 km (15 miles) NNE (32 degrees) Valle Vista, CA - 28 km (17 miles) SSE (147 degrees) |
| Coordinates | 33 deg. 32.2 min. N (33.537N), 116 deg. 43.8 min. W (116.729W) |
| Depth | 4.49 km (2.80 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=19, Nph=32, Dmin=3.2 km, Rmss=0.09 sec, Erho=0.14 km, Erzz=0.22 km, Gp=59 degrees |
| Event ID# | ci41249240 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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