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 1:04:05 AM (PDT) on Wednesday, October 8, 2025.
The magnitude 0.8 event occurred 16 km (10 miles) W of Johannesburg, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 0.8 - local magnitude (Ml) |
| Time | Wednesday, October 8, 2025 at 1:04:05 AM (PDT) Wednesday, October 8, 2025 at 8:04:05 (UTC) |
| Distance from |
Johannesburg, CA - 16 km (10 miles) W (262 degrees) California City, CA - 30 km (19 miles) NNE (33 degrees) Ridgecrest, CA - 32 km (20 miles) SSW (202 degrees) Inyokern, CA - 33 km (20 miles) S (179 degrees) Boron, CA - 42 km (26 miles) NNW (340 degrees) |
| Coordinates | 35 deg. 21.2 min. N (35.353N), 117 deg. 48.4 min. W (117.807W) |
| Depth | 8.49 km (5.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=29, Nph=53, Dmin=10.2 km, Rmss=0.13 sec, Erho=0.16 km, Erzz=0.44 km, Gp=94 degrees |
| Event ID# | ci41105039 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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