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 3:04:06 PM (PDT) on Thursday, October 30, 2025.
The magnitude 0.8 event occurred 4 km (3 miles) NW of Mira Loma, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 0.8 - local magnitude (Ml) |
| Time | Thursday, October 30, 2025 at 3:04:06 PM (PDT) Thursday, October 30, 2025 at 22:04:06 (UTC) |
| Distance from |
Mira Loma, CA - 4 km (3 miles) NW (314 degrees) Glen Avon, CA - 6 km (4 miles) W (279 degrees) Ontario, CA - 8 km (5 miles) ESE (117 degrees) Pedley, CA - 9 km (5 miles) NW (306 degrees) Norco, CA - 10 km (6 miles) N (359 degrees) |
| Coordinates | 34 deg. 1.2 min. N (34.020N), 117 deg. 33.0 min. W (117.551W) |
| Depth | 9.99 km (6.20 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=17, Nph=25, Dmin=8.9 km, Rmss=0.14 sec, Erho=0.31 km, Erzz=0.61 km, Gp=73 degrees |
| Event ID# | ci41322928 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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