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 8:42:37 PM (PDT) on Thursday, July 17, 2025.
The magnitude 0.4 event occurred 10 km (6 miles) W of Anza, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 0.4 - local magnitude (Ml) |
| Time | Thursday, July 17, 2025 at 8:42:37 PM (PDT) Friday, July 18, 2025 at 3:42:37 (UTC) |
| Distance from |
Anza, CA - 10 km (6 miles) W (265 degrees) Aguanga, CA - 14 km (9 miles) NE (35 degrees) Idyllwild, CA - 22 km (14 miles) SSW (195 degrees) Palomar Observatory, CA - 23 km (14 miles) NNE (20 degrees) Valle Vista, CA - 25 km (15 miles) SSE (155 degrees) |
| Coordinates | 33 deg. 32.8 min. N (33.547N), 116 deg. 46.7 min. W (116.779W) |
| Depth | 2.54 km (1.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=15, Nph=26, Dmin=4.4 km, Rmss=0.11 sec, Erho=0.14 km, Erzz=0.14 km, Gp=91 degrees |
| Event ID# | ci41025295 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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