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 7:35:51 AM (PDT) on Tuesday, September 1, 2026.
The magnitude 1.3 event occurred 3 km (2 miles) NNW of Redwood Valley, CA.
The hypocentral depth is 4 km ( 3 miles).


Magnitude 1.3 - duration magnitude (Md)
Time Tuesday, September 1, 2026 at 7:35:51 AM (PDT)
Tuesday, September 1, 2026 at 14:35:51 (UTC)
Distance from Redwood Valley, CA - 3 km (2 miles) NNW (342 degrees)
Ukiah, CA - 16 km (10 miles) N (358 degrees)
Talmage, CA - 18 km (11 miles) NNW (347 degrees)
Willits, CA - 18 km (11 miles) SE (138 degrees)
Brooktrails, CA - 23 km (14 miles) SE (139 degrees)
Coordinates 39 deg. 17.3 min. N (39.289N), 123 deg. 12.9 min. W (123.214W)
Depth 4.41 km (2.70 miles)
Quality Good
Location Quality Parameters Nst=9, Nph=9, Dmin=2.3 km, Rmss=0.03 sec, Erho=0.31 km, Erzz=0.74000001 km, Gp=106 degrees
Event ID# nc75428192
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)