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 event has been reviewed by a seismologist.
A micro earthquake occurred at 5:47:40 PM (PST) on Tuesday, December 9, 2025.
The magnitude 0.5 event occurred 19 km (12 miles) SW of Ocotillo Wells, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 0.5 - local magnitude (Ml) |
| Time | Tuesday, December 9, 2025 at 5:47:40 PM (PST) Wednesday, December 10, 2025 at 1:47:40 (UTC) |
| Distance from |
Ocotillo Wells, CA - 19 km (12 miles) SW (225 degrees) Borrego Springs, CA - 28 km (17 miles) SSE (161 degrees) Julian, CA - 31 km (19 miles) ESE (102 degrees) Pine Valley, CA - 32 km (20 miles) NE (47 degrees) Ocotillo, CA - 41 km (26 miles) NW (320 degrees) |
| Coordinates | 33 deg. 1.3 min. N (33.022N), 116 deg. 16.6 min. W (116.276W) |
| Depth | 9.64 km (6.00 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=10, Nph=17, Dmin=7.8 km, Rmss=0.14 sec, Erho=0.49 km, Erzz=0.94 km, Gp=193 degrees |
| Event ID# | ci10209870 |
| 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)
