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 #6: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 5:31:08 AM (PDT) on Saturday, October 4, 2025.
The magnitude 1.6 event occurred 11 km (7 miles) SSW of Borrego Springs, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 1.6 - local magnitude (Ml) |
| Time | Saturday, October 4, 2025 at 5:31:08 AM (PDT) Saturday, October 4, 2025 at 12:31:08 (UTC) |
| Distance from |
Borrego Springs, CA - 11 km (7 miles) SSW (203 degrees) Julian, CA - 19 km (12 miles) ENE (61 degrees) Warner Springs, CA - 24 km (15 miles) SE (124 degrees) Ocotillo Wells, CA - 27 km (17 miles) W (275 degrees) Lake Henshaw, CA - 33 km (20 miles) ESE (105 degrees) |
| Coordinates | 33 deg. 9.7 min. N (33.162N), 116 deg. 25.4 min. W (116.423W) |
| Depth | 8.83 km (5.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=78, Nph=147, Dmin=9.5 km, Rmss=0.19 sec, Erho=0.12 km, Erzz=0.47 km, Gp=20 degrees |
| Event ID# | ci41102479 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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