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 6:39:09 PM (PDT) on Monday, September 29, 2025.
The magnitude 1.7 event occurred 6 km (4 miles) NNW of Laytonville, CA.
The hypocentral depth is 11 km ( 7 miles).


Magnitude 1.7 - duration magnitude (Md)
Time Monday, September 29, 2025 at 6:39:09 PM (PDT)
Tuesday, September 30, 2025 at 1:39:09 (UTC)
Distance from Laytonville, CA - 6 km (4 miles) NNW (333 degrees)
Covelo, CA - 24 km (15 miles) WSW (255 degrees)
Brooktrails, CA - 34 km (21 miles) NNW (341 degrees)
Willits, CA - 39 km (24 miles) NNW (339 degrees)
Fort Bragg, CA - 41 km (25 miles) NE (37 degrees)
Coordinates 39 deg. 44.2 min. N (39.736N), 123 deg. 30.9 min. W (123.515W)
Depth 11.31 km (7.00 miles)
Quality Fair
Location Quality Parameters Nst=5, Nph=4, Dmin=8.0 km, Rmss=0.01 sec, Erho=0.82 km, Erzz=1.64999998 km, Gp=195 degrees
Event ID# nc75242701
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)