Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #0: 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 6:01:34 AM (PST) on Monday, December 1, 2025.
The magnitude 1.0 event occurred 9 km (6 miles) SSW of Loyola, CA.
The hypocentral depth is 12 km ( 7 miles).
| Magnitude | 1.0 - duration magnitude (Md) |
| Time | Monday, December 1, 2025 at 6:01:34 AM (PST) Monday, December 1, 2025 at 14:01:34 (UTC) |
| Distance from |
Loyola, CA - 9 km (6 miles) SSW (200 degrees) Saratoga, CA - 10 km (6 miles) W (276 degrees) Cupertino, CA - 11 km (7 miles) WSW (239 degrees) Los Altos Hills, CA - 12 km (7 miles) S (180 degrees) Los Altos, CA - 13 km (8 miles) S (189 degrees) |
| Coordinates | 37 deg. 16.4 min. N (37.273N), 122 deg. 8.2 min. W (122.137W) |
| Depth | 11.60 km (7.20 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=5.2 km, Rmss=0.06 sec, Erho=1.02 km, Erzz=1.60000002 km, Gp=118 degrees |
| Event ID# | nc75272691 |
| 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)
