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 11:24:15 PM (PST) on Tuesday, November 25, 2025.
The magnitude 1.2 event occurred 6 km (3 miles) SE of Ontario, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.2 - local magnitude (Ml) |
| Time | Tuesday, November 25, 2025 at 11:24:15 PM (PST) Wednesday, November 26, 2025 at 7:24:15 (UTC) |
| Distance from |
Ontario, CA - 6 km (3 miles) SE (136 degrees) Mira Loma, CA - 7 km (4 miles) WNW (293 degrees) Chino, CA - 9 km (6 miles) E (87 degrees) Glen Avon, CA - 9 km (6 miles) W (274 degrees) Norco, CA - 10 km (6 miles) NNW (340 degrees) |
| Coordinates | 34 deg. 1.0 min. N (34.017N), 117 deg. 35.2 min. W (117.587W) |
| Depth | 6.00 km (3.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=55, Nph=96, Dmin=2.6 km, Rmss=0.15 sec, Erho=0.15 km, Erzz=0.36 km, Gp=35 degrees |
| Event ID# | ci41127327 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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