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 9:30:26 PM (PST) on Monday, January 19, 2026.
The magnitude 0.8 event occurred 3 km (2 miles) ESE of Ontario, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 0.8 - local magnitude (Ml) |
| Time | Monday, January 19, 2026 at 9:30:26 PM (PST) Tuesday, January 20, 2026 at 5:30:26 (UTC) |
| Distance from |
Ontario, CA - 3 km (2 miles) ESE (117 degrees) Upland, CA - 7 km (5 miles) SE (146 degrees) Chino, CA - 9 km (5 miles) ENE (67 degrees) Montclair, CA - 9 km (6 miles) ESE (116 degrees) Rancho Cucamonga, CA - 9 km (6 miles) SSW (193 degrees) |
| Coordinates | 34 deg. 2.5 min. N (34.042N), 117 deg. 36.2 min. W (117.603W) |
| Depth | 5.14 km (3.20 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=28, Nph=41, Dmin=1.1 km, Rmss=0.16 sec, Erho=0.3 km, Erzz=0.46 km, Gp=89 degrees |
| Event ID# | ci41163631 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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