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 #4: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.
A micro earthquake occurred at 1:19:51 AM (PDT) on Thursday, September 11, 2025.
The magnitude 0.5 event occurred 4 km (3 miles) SW of Anza, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 0.5 - local magnitude (Ml) |
| Time | Thursday, September 11, 2025 at 1:19:51 AM (PDT) Thursday, September 11, 2025 at 8:19:51 (UTC) |
| Distance from |
Anza, CA - 4 km (3 miles) SW (234 degrees) Aguanga, CA - 17 km (11 miles) NE (55 degrees) Idyllwild, CA - 23 km (14 miles) S (178 degrees) Palomar Observatory, CA - 24 km (15 miles) NE (36 degrees) Warner Springs, CA - 29 km (18 miles) NNW (346 degrees) |
| Coordinates | 33 deg. 31.9 min. N (33.532N), 116 deg. 42.6 min. W (116.710W) |
| Depth | 3.49 km (2.20 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=22, Nph=37, Dmin=4.4 km, Rmss=0.12 sec, Erho=0.17 km, Erzz=0.39 km, Gp=74 degrees |
| Event ID# | ci41288848 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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