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 5:21:25 PM (PDT) on Friday, July 31, 2026.
The magnitude 1.0 event occurred 7 km (4 miles) SE of Cloverdale, CA.
The hypocentral depth is 4 km ( 2 miles).
| Magnitude | 1.0 - duration magnitude (Md) |
| Time | Friday, July 31, 2026 at 5:21:25 PM (PDT) Saturday, August 1, 2026 at 0:21:25 (UTC) |
| Distance from |
Cloverdale, CA - 7 km (4 miles) SE (132 degrees) The Geysers, CA - 18 km (11 miles) W (265 degrees) Healdsburg, CA - 19 km (12 miles) NNW (336 degrees) Cobb, CA - 21 km (13 miles) WSW (253 degrees) Kelseyville, CA - 26 km (16 miles) SSW (204 degrees) |
| Coordinates | 38 deg. 45.9 min. N (38.765N), 122 deg. 57.5 min. W (122.958W) |
| Depth | 4.08 km (2.50 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=4.9 km, Rmss=0.07 sec, Erho=1.37 km, Erzz=3.43000007 km, Gp=189 degrees |
| Event ID# | nc75409322 |
| 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)
