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 #4: 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 11:52:51 PM (PDT) on Tuesday, September 23, 2025.
The magnitude 1.0 event occurred 24 km (15 miles) N (9 degrees) of Trona, CA.
The hypocentral depth is 4 km ( 2 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Tuesday, September 23, 2025 at 11:52:51 PM (PDT) Wednesday, September 24, 2025 at 6:52:51 (UTC) |
| Distance from |
Trona, CA - 24 km (15 miles) N (9 degrees) Searles Valley, CA - 24 km (15 miles) NNE (14 degrees) Ridgecrest, CA - 50 km (31 miles) NE (37 degrees) Little Lake, CA - 51 km (32 miles) E (85 degrees) Coso Junction, CA - 55 km (34 miles) E (98 degrees) |
| Coordinates | 35 deg. 58.6 min. N (35.977N), 117 deg. 20.3 min. W (117.338W) |
| Depth | 3.53 km (2.20 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=21, Nph=37, Dmin=10.7 km, Rmss=0.15 sec, Erho=0.24 km, Erzz=0.65 km, Gp=70 degrees |
| Event ID# | ci40449530 |
| 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)
