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 2:32:34 PM (PST) on Friday, January 9, 2026.
The magnitude 1.1 event occurred 4 km (3 miles) SE of Pomona, CA.
The hypocentral depth is 1 km (0.50 miles).
| Magnitude | 1.1 - local magnitude (Ml) |
| Time | Friday, January 9, 2026 at 2:32:34 PM (PST) Friday, January 9, 2026 at 22:32:34 (UTC) |
| Distance from |
Pomona, CA - 4 km (3 miles) SE (141 degrees) Chino, CA - 4 km (3 miles) WNW (301 degrees) Chino Hills, CA - 5 km (3 miles) NE (35 degrees) Montclair, CA - 6 km (4 miles) SW (214 degrees) Claremont, CA - 7 km (5 miles) S (186 degrees) |
| Coordinates | 34 deg. 1.9 min. N (34.031N), 117 deg. 43.7 min. W (117.728W) |
| Depth | 0.74 km (0.50 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=6, Nph=8, Dmin=20.1 km, Rmss=0.19 sec, Erho=1.15 km, Erzz=1.66 km, Gp=124 degrees |
| Event ID# | ci41154911 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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