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 7:55:54 AM (PST) on Wednesday, November 4, 2026.
The magnitude 1.2 event occurred 6 km (4 miles) SE of Ontario, CA.
The hypocentral depth is 4 km ( 2 miles).
| Magnitude | 1.2 - local magnitude (Ml) |
| Time | Wednesday, November 4, 2026 at 7:55:54 AM (PST) Wednesday, November 4, 2026 at 15:55:54 (UTC) |
| Distance from |
Ontario, CA - 6 km (4 miles) SE (131 degrees) Mira Loma, CA - 6 km (4 miles) WNW (294 degrees) Glen Avon, CA - 8 km (5 miles) W (273 degrees) Chino, CA - 10 km (6 miles) E (88 degrees) Norco, CA - 10 km (6 miles) NNW (345 degrees) |
| Coordinates | 34 deg. 0.9 min. N (34.015N), 117 deg. 34.6 min. W (117.576W) |
| Depth | 3.61 km (2.20 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=48, Nph=75, Dmin=1.8 km, Rmss=0.17 sec, Erho=0.17 km, Erzz=0.27 km, Gp=71 degrees |
| Event ID# | ci41572472 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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