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 5:48:17 AM (PDT) on Friday, September 5, 2025.
The magnitude 1.8 event occurred 14 km (9 miles) S of Willits, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 1.8 - duration magnitude (Md)
Time Friday, September 5, 2025 at 5:48:17 AM (PDT)
Friday, September 5, 2025 at 12:48:17 (UTC)
Distance from Willits, CA - 14 km (9 miles) S (191 degrees)
Redwood Valley, CA - 16 km (10 miles) W (279 degrees)
Brooktrails, CA - 17 km (11 miles) S (180 degrees)
Ukiah, CA - 22 km (14 miles) NW (316 degrees)
Talmage, CA - 26 km (16 miles) NW (313 degrees)
Coordinates 39 deg. 17.3 min. N (39.289N), 123 deg. 23.2 min. W (123.386W)
Depth 2.56 km (1.60 miles)
Quality Good
Location Quality Parameters Nst=14, Nph=14, Dmin=4.5 km, Rmss=0.07 sec, Erho=0.27 km, Erzz=0.870000005 km, Gp=93 degrees
Event ID# nc75233427
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