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 #7: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 10:20:02 AM (PDT) on Wednesday, October 21, 2026.
The magnitude 1.0 event occurred 2 km (1 miles) S of Loma Linda, CA.
The hypocentral depth is 15 km ( 9 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Wednesday, October 21, 2026 at 10:20:02 AM (PDT) Wednesday, October 21, 2026 at 17:20:02 (UTC) |
| Distance from |
Loma Linda, CA - 2 km (1 miles) S (173 degrees) Grand Terrace, CA - 5 km (3 miles) E (96 degrees) Colton, CA - 7 km (4 miles) SE (135 degrees) Redlands, CA - 8 km (5 miles) WSW (247 degrees) Moreno Valley, CA - 12 km (7 miles) NNW (346 degrees) |
| Coordinates | 34 deg. 1.7 min. N (34.029N), 117 deg. 15.5 min. W (117.258W) |
| Depth | 14.67 km (9.10 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=45, Nph=77, Dmin=8.8 km, Rmss=0.15 sec, Erho=0.17 km, Erzz=0.29 km, Gp=36 degrees |
| Event ID# | ci41350151 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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