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 #2: 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 4:44:23 AM (PST) on Saturday, January 3, 2026.
The magnitude 1.0 event occurred 4 km (2 miles) W of Mira Loma, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Saturday, January 3, 2026 at 4:44:23 AM (PST) Saturday, January 3, 2026 at 12:44:23 (UTC) |
| Distance from |
Mira Loma, CA - 4 km (2 miles) W (265 degrees) Norco, CA - 7 km (4 miles) N (351 degrees) Glen Avon, CA - 7 km (5 miles) WSW (250 degrees) Pedley, CA - 8 km (5 miles) WNW (282 degrees) Ontario, CA - 9 km (6 miles) SE (138 degrees) |
| Coordinates | 33 deg. 59.4 min. N (33.990N), 117 deg. 33.6 min. W (117.560W) |
| Depth | 8.50 km (5.30 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=18, Nph=23, Dmin=6.9 km, Rmss=0.109999999 sec, Erho=0.35 km, Erzz=0.839999974 km, Gp=90 degrees |
| Event ID# | ci41151631 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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