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 6:03:23 AM (PDT) on Monday, September 29, 2025.
The magnitude 1.0 event occurred 3 km (2 miles) SE of Loma Linda, CA.
The hypocentral depth is 17 km (10 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Monday, September 29, 2025 at 6:03:23 AM (PDT) Monday, September 29, 2025 at 13:03:23 (UTC) |
| Distance from |
Loma Linda, CA - 3 km (2 miles) SE (140 degrees) Redlands, CA - 6 km (4 miles) WSW (240 degrees) Grand Terrace, CA - 7 km (4 miles) E (96 degrees) Colton, CA - 8 km (5 miles) SE (127 degrees) Moreno Valley, CA - 11 km (7 miles) N (354 degrees) |
| Coordinates | 34 deg. 1.7 min. N (34.028N), 117 deg. 14.4 min. W (117.241W) |
| Depth | 16.76 km (10.40 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=57, Nph=102, Dmin=10.0 km, Rmss=0.18 sec, Erho=0.18 km, Erzz=0.41 km, Gp=28 degrees |
| Event ID# | ci41100511 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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