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 #7: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 4:40:33 AM (PDT) on Tuesday, September 9, 2025.
The magnitude 1.3 event occurred 1 km (1 miles) WSW of Redlands, CA.
The hypocentral depth is 11 km ( 7 miles).
| Magnitude | 1.3 - local magnitude (Ml) |
| Time | Tuesday, September 9, 2025 at 4:40:33 AM (PDT) Tuesday, September 9, 2025 at 11:40:33 (UTC) |
| Distance from |
Redlands, CA - 1 km (1 miles) WSW (243 degrees) Loma Linda, CA - 6 km (4 miles) E (87 degrees) Mentone, CA - 6 km (4 miles) WSW (249 degrees) Highland, CA - 9 km (5 miles) S (170 degrees) Grand Terrace, CA - 11 km (7 miles) E (80 degrees) |
| Coordinates | 34 deg. 3.1 min. N (34.051N), 117 deg. 11.5 min. W (117.192W) |
| Depth | 10.71 km (6.70 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=75, Nph=135, Dmin=7.6 km, Rmss=0.14 sec, Erho=0.1 km, Erzz=0.23 km, Gp=37 degrees |
| Event ID# | ci41286944 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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