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 6:26:37 PM (PDT) on Monday, August 4, 2025.
The magnitude 1.3 event occurred 15 km (9 miles) W of Johannesburg, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.3 - local magnitude (Ml) |
| Time | Monday, August 4, 2025 at 6:26:37 PM (PDT) Tuesday, August 5, 2025 at 1:26:37 (UTC) |
| Distance from |
Johannesburg, CA - 15 km (9 miles) W (265 degrees) Ridgecrest, CA - 31 km (19 miles) SSW (201 degrees) California City, CA - 32 km (20 miles) NNE (33 degrees) Inyokern, CA - 32 km (20 miles) S (177 degrees) Boron, CA - 42 km (26 miles) NNW (342 degrees) |
| Coordinates | 35 deg. 21.7 min. N (35.362N), 117 deg. 47.7 min. W (117.795W) |
| Depth | 6.60 km (4.10 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=33, Nph=64, Dmin=11.5 km, Rmss=0.14 sec, Erho=0.15 km, Erzz=0.55 km, Gp=73 degrees |
| Event ID# | ci41253144 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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