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 10:27:44 AM (PDT) on Wednesday, August 20, 2025.
The magnitude 1.0 event occurred 10 km (6 miles) NW of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 1.0 - duration magnitude (Md) |
| Time | Wednesday, August 20, 2025 at 10:27:44 AM (PDT) Wednesday, August 20, 2025 at 17:27:44 (UTC) |
| Distance from |
The Geysers, CA - 10 km (6 miles) NW (312 degrees) Cobb, CA - 10 km (6 miles) W (279 degrees) Cloverdale, CA - 16 km (10 miles) ENE (77 degrees) Kelseyville, CA - 16 km (10 miles) S (181 degrees) Soda Bay, CA - 19 km (12 miles) SSW (194 degrees) |
| Coordinates | 38 deg. 50.2 min. N (38.836N), 122 deg. 50.5 min. W (122.841W) |
| Depth | 1.19 km (0.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=1.6 km, Rmss=0.03 sec, Erho=0.78 km, Erzz=0.550000012 km, Gp=178 degrees |
| Event ID# | nc75226307 |
| 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)
