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 3:57:53 AM (PDT) on Sunday, September 7, 2025.
The magnitude 1.2 event occurred 4 km (3 miles) N of Redwood Valley, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 1.2 - duration magnitude (Md)
Time Sunday, September 7, 2025 at 3:57:53 AM (PDT)
Sunday, September 7, 2025 at 10:57:53 (UTC)
Distance from Redwood Valley, CA - 4 km (3 miles) N (353 degrees)
Ukiah, CA - 17 km (11 miles) N (360 degrees)
Willits, CA - 17 km (11 miles) SE (134 degrees)
Talmage, CA - 19 km (12 miles) N (349 degrees)
Brooktrails, CA - 22 km (14 miles) SE (136 degrees)
Coordinates 39 deg. 18.2 min. N (39.303N), 123 deg. 12.6 min. W (123.210W)
Depth 6.01 km (3.70 miles)
Quality Excellent
Location Quality Parameters Nst=23, Nph=26, Dmin=1.1 km, Rmss=0.06 sec, Erho=0.17 km, Erzz=0.32 km, Gp=53 degrees
Event ID# nc75234402
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For more information, see https://earthquake.usgs.gov

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