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 #6: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 2:32:38 AM (PDT) on Thursday, July 24, 2025.
The magnitude 1.4 event occurred 7 km (4 miles) NNW of Mira Loma, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.4 - local magnitude (Ml) |
| Time | Thursday, July 24, 2025 at 2:32:38 AM (PDT) Thursday, July 24, 2025 at 9:32:38 (UTC) |
| Distance from |
Mira Loma, CA - 7 km (4 miles) NNW (332 degrees) Glen Avon, CA - 7 km (4 miles) WNW (301 degrees) Ontario, CA - 7 km (5 miles) E (98 degrees) Rancho Cucamonga, CA - 9 km (6 miles) SSE (163 degrees) Pedley, CA - 10 km (6 miles) NW (318 degrees) |
| Coordinates | 34 deg. 2.6 min. N (34.044N), 117 deg. 33.0 min. W (117.550W) |
| Depth | 7.31 km (4.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=71, Nph=124, Dmin=4.5 km, Rmss=0.17 sec, Erho=0.14 km, Erzz=0.31 km, Gp=35 degrees |
| Event ID# | ci41030671 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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