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 #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 9:44:39 PM (PDT) on Thursday, September 17, 2026.
The magnitude 0.9 event occurred 4 km (3 miles) SE of Mentone, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 0.9 - local magnitude (Ml) |
| Time | Thursday, September 17, 2026 at 9:44:39 PM (PDT) Friday, September 18, 2026 at 4:44:39 (UTC) |
| Distance from |
Mentone, CA - 4 km (3 miles) SE (141 degrees) Yucaipa, CA - 6 km (4 miles) W (278 degrees) Redlands, CA - 7 km (4 miles) ESE (103 degrees) Calimesa, CA - 8 km (5 miles) NW (320 degrees) Highland, CA - 14 km (8 miles) SE (136 degrees) |
| Coordinates | 34 deg. 2.5 min. N (34.041N), 117 deg. 6.4 min. W (117.106W) |
| Depth | 9.32 km (5.80 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=53, Nph=90, Dmin=0.9 km, Rmss=0.18 sec, Erho=0.16 km, Erzz=0.41 km, Gp=31 degrees |
| Event ID# | ci41334383 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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