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 11:18:55 AM (PST) on Tuesday, December 9, 2025.
The magnitude 2.1 event occurred 3 km (2 miles) E (84 degrees) of Aromas, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 2.1 - duration magnitude (Md) |
| Time | Tuesday, December 9, 2025 at 11:18:55 AM (PST) Tuesday, December 9, 2025 at 19:18:55 (UTC) |
| Distance from |
Aromas, CA - 3 km (2 miles) E (84 degrees) San Juan Bautista, CA - 8 km (5 miles) NW (307 degrees) Las Lomas, CA - 11 km (7 miles) ENE (75 degrees) Pajaro, CA - 12 km (7 miles) E (97 degrees) Watsonville, CA - 13 km (8 miles) E (99 degrees) |
| Coordinates | 36 deg. 53.5 min. N (36.891N), 121 deg. 36.9 min. W (121.615W) |
| Depth | 1.11 km (0.70 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=13, Nph=13, Dmin=2.1 km, Rmss=0.09 sec, Erho=0.26 km, Erzz=0.620000005 km, Gp=80 degrees |
| Event ID# | nc75277441 |
| 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)
