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 3:38:30 AM (PDT) on Friday, October 31, 2025.
The magnitude 1.0 event occurred 12 km (7 miles) NNE (30 degrees) of Coso Junction, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Friday, October 31, 2025 at 3:38:30 AM (PDT) Friday, October 31, 2025 at 10:38:30 (UTC) |
| Distance from |
Coso Junction, CA - 12 km (7 miles) NNE (30 degrees) Olancha, CA - 19 km (12 miles) SE (146 degrees) Little Lake, CA - 22 km (14 miles) N (5 degrees) Lone Pine, CA - 53 km (33 miles) SSE (161 degrees) Inyokern, CA - 55 km (34 miles) N (353 degrees) |
| Coordinates | 36 deg. 8.2 min. N (36.136N), 117 deg. 53.0 min. W (117.883W) |
| Depth | 4.56 km (2.80 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=23, Nph=39, Dmin=3.3 km, Rmss=0.13 sec, Erho=0.22 km, Erzz=0.25 km, Gp=87 degrees |
| Event ID# | ci41323128 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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