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 0:19:51 AM (PDT) on Wednesday, September 17, 2025.
The magnitude 0.9 event occurred 4 km (2 miles) WNW of The Geysers, CA.
The hypocentral depth is 0.21 km (0.10 miles).
| Magnitude | 0.9 - duration magnitude (Md) |
| Time | Wednesday, September 17, 2025 at 0:19:51 AM (PDT) Wednesday, September 17, 2025 at 7:19:51 (UTC) |
| Distance from |
The Geysers, CA - 4 km (2 miles) WNW (300 degrees) Cobb, CA - 7 km (4 miles) WSW (245 degrees) Middletown, CA - 16 km (10 miles) WNW (287 degrees) Cloverdale, CA - 19 km (12 miles) E (93 degrees) Kelseyville, CA - 21 km (13 miles) S (170 degrees) |
| Coordinates | 38 deg. 47.7 min. N (38.795N), 122 deg. 47.8 min. W (122.796W) |
| Depth | 0.21 km (0.10 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=1.0 km, Rmss=0.03 sec, Erho=0.28 km, Erzz=0.670000017 km, Gp=83 degrees |
| Event ID# | nc75238677 |
| 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)
