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 5:51:32 PM (PDT) on Sunday, August 3, 2025.
The magnitude 0.4 event occurred 2 km (1 miles) NNE (15 degrees) of The Geysers, CA.
The hypocentral depth is 4 km ( 3 miles).


Magnitude 0.4 - duration magnitude (Md)
Time Sunday, August 3, 2025 at 5:51:32 PM (PDT)
Monday, August 4, 2025 at 0:51:32 (UTC)
Distance from The Geysers, CA - 2 km (1 miles) NNE (15 degrees)
Cobb, CA - 4 km (2 miles) SW (219 degrees)
Middletown, CA - 13 km (8 miles) WNW (293 degrees)
Hidden Valley Lake, CA - 17 km (10 miles) W (266 degrees)
Lower Lake, CA - 17 km (11 miles) SW (224 degrees)
Coordinates 38 deg. 47.8 min. N (38.797N), 122 deg. 45.0 min. W (122.750W)
Depth 4.38 km (2.70 miles)
Quality Fair
Location Quality Parameters Nst=7, Nph=7, Dmin=1.0 km, Rmss=0.07 sec, Erho=1.06 km, Erzz=2.83999991 km, Gp=166 degrees
Event ID# nc75218782
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)