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 0:10:56 AM (PST) on Saturday, December 13, 2025.
The magnitude 1.2 event occurred 16 km (10 miles) W of Johannesburg, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 1.2 - local magnitude (Ml) |
| Time | Saturday, December 13, 2025 at 0:10:56 AM (PST) Saturday, December 13, 2025 at 8:10:56 (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. 21.1 min. N (35.352N), 117 deg. 48.5 min. W (117.809W) |
| Depth | 8.09 km (5.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=13, Nph=15, Dmin=10.0 km, Rmss=0.0900000036 sec, Erho=0.36 km, Erzz=1.36000001 km, Gp=161 degrees |
| Event ID# | ci41350832 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
[
Index map ||
Big earthquake list ||
All earthquake list ||
Glossary of terms ||
Top page
]
[
Did you feel it? ||
ShakeMaps
|| Relative2Me
]
[ Data Sources ]
Special maps
Long Valley || Los Angeles || San Francisco
Data Sources
US and World - USGS/NEIC = National Earthquake Information Center
Northern California - UCB = University of California, Berkeley
Southern California - Caltech = California Institute of Technology
Nevada - UNR = University of Nevada, Reno
Offshore = West Coast & Alaska Tsunami Warning Center
...all members of the Advanced National Seismic System (ANSS)
