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 is a computer-generated message. This event has not yet been reviewed by a seismologist.
A micro earthquake occurred at 11:39:38 PM (PDT) on Friday, October 31, 2025.
The magnitude 0.5 event occurred 20 km (12 miles) SW of Ocotillo Wells, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 0.5 - local magnitude (Ml) |
| Time | Friday, October 31, 2025 at 11:39:38 PM (PDT) Saturday, November 1, 2025 at 6:39:38 (UTC) |
| Distance from |
Ocotillo Wells, CA - 20 km (12 miles) SW (229 degrees) Borrego Springs, CA - 27 km (17 miles) SSE (163 degrees) Julian, CA - 29 km (18 miles) E (101 degrees) Pine Valley, CA - 32 km (20 miles) NE (44 degrees) Warner Springs, CA - 43 km (26 miles) SE (132 degrees) |
| Coordinates | 33 deg. 1.6 min. N (33.027N), 116 deg. 17.5 min. W (116.292W) |
| Depth | 7.27 km (4.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=34, Nph=58, Dmin=8.1 km, Rmss=0.18 sec, Erho=0.23 km, Erzz=0.53 km, Gp=107 degrees |
| Event ID# | ci41323728 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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