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 11:57:23 PM (PST) on Tuesday, January 20, 2026.
The magnitude 1.1 event occurred 4 km (3 miles) SSW of Calimesa, CA.
The hypocentral depth is 11 km ( 7 miles).
| Magnitude | 1.1 - local magnitude (Ml) |
| Time | Tuesday, January 20, 2026 at 11:57:23 PM (PST) Wednesday, January 21, 2026 at 7:57:23 (UTC) |
| Distance from |
Calimesa, CA - 4 km (3 miles) SSW (193 degrees) Beaumont, CA - 8 km (5 miles) WNW (286 degrees) Yucaipa, CA - 9 km (6 miles) S (191 degrees) Moreno Valley, CA - 15 km (10 miles) E (80 degrees) Mentone, CA - 15 km (9 miles) SSE (154 degrees) |
| Coordinates | 33 deg. 57.0 min. N (33.950N), 117 deg. 3.8 min. W (117.063W) |
| Depth | 10.80 km (6.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=57, Nph=102, Dmin=10.1 km, Rmss=0.16 sec, Erho=0.12 km, Erzz=0.33 km, Gp=26 degrees |
| Event ID# | ci41166191 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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