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 11:02:52 AM (PDT) on Monday, September 15, 2025.
The magnitude 0.4 event occurred 3 km (2 miles) WSW of Anza, CA.
The hypocentral depth is 4 km ( 2 miles).
| Magnitude | 0.4 - local magnitude (Ml) |
| Time | Monday, September 15, 2025 at 11:02:52 AM (PDT) Monday, September 15, 2025 at 18:02:52 (UTC) |
| Distance from |
Anza, CA - 3 km (2 miles) WSW (253 degrees) Aguanga, CA - 18 km (11 miles) NE (52 degrees) Idyllwild, CA - 22 km (13 miles) S (177 degrees) Palomar Observatory, CA - 26 km (16 miles) NE (34 degrees) Valle Vista, CA - 28 km (18 miles) SE (143 degrees) |
| Coordinates | 33 deg. 32.7 min. N (33.546N), 116 deg. 42.5 min. W (116.709W) |
| Depth | 3.65 km (2.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=18, Nph=31, Dmin=3.4 km, Rmss=0.1 sec, Erho=0.18 km, Erzz=0.27 km, Gp=93 degrees |
| Event ID# | ci41291872 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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