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 11:01:47 PM (PDT) on Tuesday, September 9, 2025.
The magnitude 0.8 event occurred 1 km (1 miles) WNW of The Geysers, CA.
The hypocentral depth is 4 km ( 2 miles).
| Magnitude | 0.8 - duration magnitude (Md) |
| Time | Tuesday, September 9, 2025 at 11:01:47 PM (PDT) Wednesday, September 10, 2025 at 6:01:47 (UTC) |
| Distance from |
The Geysers, CA - 1 km (1 miles) WNW (289 degrees) Cobb, CA - 6 km (4 miles) SW (221 degrees) Middletown, CA - 14 km (9 miles) WNW (283 degrees) Hidden Valley Lake, CA - 19 km (12 miles) W (261 degrees) Lower Lake, CA - 20 km (12 miles) SW (224 degrees) |
| Coordinates | 38 deg. 46.9 min. N (38.781N), 122 deg. 46.2 min. W (122.770W) |
| Depth | 3.73 km (2.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=17, Nph=17, Dmin=1.2 km, Rmss=0.02 sec, Erho=0.31 km, Erzz=0.75999999 km, Gp=96 degrees |
| Event ID# | nc75235832 |
| 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)
