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 7:22:08 AM (PDT) on Monday, October 27, 2025.
The magnitude 1.1 event occurred 4 km (2 miles) NW of The Geysers, CA.
The hypocentral depth is -0.47 km (-0.30 miles).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Monday, October 27, 2025 at 7:22:08 AM (PDT) Monday, October 27, 2025 at 14:22:08 (UTC) |
| Distance from |
The Geysers, CA - 4 km (2 miles) NW (305 degrees) Cobb, CA - 7 km (4 miles) WSW (246 degrees) Middletown, CA - 16 km (10 miles) WNW (288 degrees) Cloverdale, CA - 19 km (12 miles) E (93 degrees) Kelseyville, CA - 20 km (13 miles) S (169 degrees) |
| Coordinates | 38 deg. 47.9 min. N (38.798N), 122 deg. 47.6 min. W (122.793W) |
| Depth | -0.47 km (-0.30 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=13, Nph=13, Dmin=0.6 km, Rmss=0.05 sec, Erho=0.23 km, Erzz=0.5 km, Gp=59 degrees |
| Event ID# | nc75255316 |
| 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)
