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 8:15:43 AM (PDT) on Thursday, September 4, 2025.
The magnitude 1.1 event occurred 2 km (1 miles) S of Mentone, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 1.1 - local magnitude (Ml) |
| Time | Thursday, September 4, 2025 at 8:15:43 AM (PDT) Thursday, September 4, 2025 at 15:15:43 (UTC) |
| Distance from |
Mentone, CA - 2 km (1 miles) S (179 degrees) Redlands, CA - 4 km (3 miles) E (89 degrees) Yucaipa, CA - 9 km (5 miles) WNW (287 degrees) Calimesa, CA - 11 km (7 miles) NW (315 degrees) Highland, CA - 11 km (7 miles) SE (139 degrees) |
| Coordinates | 34 deg. 3.4 min. N (34.056N), 117 deg. 8.1 min. W (117.134W) |
| Depth | 9.95 km (6.20 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=46, Nph=79, Dmin=3.1 km, Rmss=0.19 sec, Erho=0.18 km, Erzz=0.38 km, Gp=29 degrees |
| Event ID# | ci41283152 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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