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 #3: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.
A micro earthquake occurred at 7:26:28 PM (PDT) on Thursday, October 29, 2026.
The magnitude 1.3 event occurred 6 km (4 miles) SE of Ontario, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.3 - local magnitude (Ml) |
| Time | Thursday, October 29, 2026 at 7:26:28 PM (PDT) Friday, October 30, 2026 at 2:26:28 (UTC) |
| Distance from |
Ontario, CA - 6 km (4 miles) SE (138 degrees) Mira Loma, CA - 7 km (4 miles) WNW (291 degrees) Chino, CA - 9 km (6 miles) E (88 degrees) Glen Avon, CA - 9 km (6 miles) W (272 degrees) Norco, CA - 10 km (6 miles) NNW (339 degrees) |
| Coordinates | 34 deg. 0.9 min. N (34.015N), 117 deg. 35.2 min. W (117.587W) |
| Depth | 6.70 km (4.20 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=62, Nph=111, Dmin=2.6 km, Rmss=0.17 sec, Erho=0.15 km, Erzz=0.33 km, Gp=34 degrees |
| Event ID# | ci41569232 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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