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 #2: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.
A micro earthquake occurred at 4:42:51 PM (PST) on Tuesday, December 9, 2025.
The magnitude 1.3 event occurred 5 km (3 miles) NW of Boron, CA.
The hypocentral depth is -1 km (-0.40 miles).
| Magnitude | 1.3 - local magnitude (Ml) |
| Time | Tuesday, December 9, 2025 at 4:42:51 PM (PST) Wednesday, December 10, 2025 at 0:42:51 (UTC) |
| Distance from |
Boron, CA - 5 km (3 miles) NW (320 degrees) Edwards Air Force Base, CA - 26 km (16 miles) ENE (57 degrees) California City, CA - 29 km (18 miles) ESE (110 degrees) Johannesburg, CA - 38 km (24 miles) S (187 degrees) Mojave, CA - 44 km (28 miles) E (92 degrees) |
| Coordinates | 35 deg. 2.1 min. N (35.035N), 117 deg. 41.2 min. W (117.686W) |
| Depth | -0.70 km (-0.40 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=29, Nph=38, Dmin=11.2 km, Rmss=0.22 sec, Erho=0.36 km, Erzz=0.73 km, Gp=57 degrees |
| Event ID# | ci41136447 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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