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 event has been reviewed by a seismologist.
A micro earthquake occurred at 8:21:53 PM (PST) on Thursday, December 4, 2025.
The magnitude 1.0 event occurred 3 km (2 miles) NNE (18 degrees) of Dana Point, CA.
The hypocentral depth is 16 km (10 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Thursday, December 4, 2025 at 8:21:53 PM (PST) Friday, December 5, 2025 at 4:21:53 (UTC) |
| Distance from |
Dana Point, CA - 3 km (2 miles) NNE (18 degrees) San Juan Capistrano, CA - 3 km (2 miles) WSW (247 degrees) Laguna Niguel, CA - 4 km (2 miles) SSE (152 degrees) Aliso Viejo, CA - 9 km (5 miles) SSE (156 degrees) Laguna Beach, CA - 10 km (6 miles) ESE (122 degrees) |
| Coordinates | 33 deg. 29.6 min. N (33.493N), 117 deg. 41.3 min. W (117.688W) |
| Depth | 15.86 km (9.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=31, Nph=50, Dmin=11.3 km, Rmss=0.17 sec, Erho=0.35 km, Erzz=0.55 km, Gp=117 degrees |
| Event ID# | ci41132967 |
| 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)
