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 #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 3:29:54 AM (PDT) on Saturday, October 4, 2025.
The magnitude 1.0 event occurred 15 km (10 miles) ENE (71 degrees) of Ridgecrest, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Saturday, October 4, 2025 at 3:29:54 AM (PDT) Saturday, October 4, 2025 at 10:29:54 (UTC) |
| Distance from |
Ridgecrest, CA - 15 km (10 miles) ENE (71 degrees) Searles Valley, CA - 15 km (9 miles) SW (221 degrees) Trona, CA - 16 km (10 miles) SW (228 degrees) Inyokern, CA - 27 km (17 miles) E (85 degrees) Johannesburg, CA - 34 km (21 miles) NNE (18 degrees) |
| Coordinates | 35 deg. 39.9 min. N (35.666N), 117 deg. 30.9 min. W (117.514W) |
| Depth | 5.48 km (3.40 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=28, Nph=51, Dmin=8.2 km, Rmss=0.15 sec, Erho=0.19 km, Erzz=0.81 km, Gp=46 degrees |
| Event ID# | ci41102431 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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