Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 8:04:40 PM (PDT) on Friday, July 25, 2025.
The magnitude 0.4 event occurred 5 km (3 miles) WNW of Cobb, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 0.4 - duration magnitude (Md) |
| Time | Friday, July 25, 2025 at 8:04:40 PM (PDT) Saturday, July 26, 2025 at 3:04:40 (UTC) |
| Distance from |
Cobb, CA - 5 km (3 miles) WNW (289 degrees) The Geysers, CA - 7 km (4 miles) NNW (342 degrees) Kelseyville, CA - 16 km (10 miles) SSE (162 degrees) Middletown, CA - 17 km (11 miles) WNW (303 degrees) Lower Lake, CA - 17 km (11 miles) WSW (242 degrees) |
| Coordinates | 38 deg. 50.3 min. N (38.838N), 122 deg. 46.9 min. W (122.782W) |
| Depth | 2.33 km (1.40 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=23, Nph=27, Dmin=0.7 km, Rmss=0.04 sec, Erho=0.2 km, Erzz=0.23 km, Gp=72 degrees |
| Event ID# | nc75215127 |
| 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)
