Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California


Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 10:34:11 AM (PDT) on Saturday, September 6, 2025.
The magnitude 1.1 event occurred 2 km (1 miles) SSW of Redwood Valley, CA.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 1.1 - duration magnitude (Md)
Time Saturday, September 6, 2025 at 10:34:11 AM (PDT)
Saturday, September 6, 2025 at 17:34:11 (UTC)
Distance from Redwood Valley, CA - 2 km (1 miles) SSW (200 degrees)
Ukiah, CA - 11 km (7 miles) N (359 degrees)
Talmage, CA - 14 km (8 miles) NNW (344 degrees)
Willits, CA - 22 km (13 miles) SE (145 degrees)
Brooktrails, CA - 26 km (16 miles) SE (145 degrees)
Coordinates 39 deg. 15.1 min. N (39.251N), 123 deg. 12.7 min. W (123.211W)
Depth 5.32 km (3.30 miles)
Quality Good
Location Quality Parameters Nst=16, Nph=24, Dmin=6.1 km, Rmss=0.06 sec, Erho=0.16 km, Erzz=0.59 km, Gp=46 degrees
Event ID# nc75233967
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