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 10:58:00 PM (PDT) on Friday, July 31, 2026.
The magnitude 1.1 event occurred 7 km (5 miles) ESE of Cloverdale, CA.
The hypocentral depth is 4 km ( 3 miles).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Friday, July 31, 2026 at 10:58:00 PM (PDT) Saturday, August 1, 2026 at 5:58:00 (UTC) |
| Distance from |
Cloverdale, CA - 7 km (5 miles) ESE (118 degrees) The Geysers, CA - 16 km (10 miles) W (269 degrees) Healdsburg, CA - 19 km (12 miles) NNW (341 degrees) Cobb, CA - 20 km (12 miles) WSW (255 degrees) Kelseyville, CA - 24 km (15 miles) SSW (202 degrees) |
| Coordinates | 38 deg. 46.5 min. N (38.775N), 122 deg. 56.6 min. W (122.943W) |
| Depth | 4.40 km (2.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=11, Nph=11, Dmin=6.3 km, Rmss=0.05 sec, Erho=0.41 km, Erzz=1.92999995 km, Gp=127 degrees |
| Event ID# | nc75409417 |
| 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)
