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 7:21:00 AM (PDT) on Thursday, September 25, 2025.
The magnitude 1.8 event occurred 8 km (5 miles) SSE of Laytonville, CA.
The hypocentral depth is 9 km ( 6 miles).


Magnitude 1.8 - duration magnitude (Md)
Time Thursday, September 25, 2025 at 7:21:00 AM (PDT)
Thursday, September 25, 2025 at 14:21:00 (UTC)
Distance from Laytonville, CA - 8 km (5 miles) SSE (162 degrees)
Brooktrails, CA - 20 km (13 miles) NNW (343 degrees)
Willits, CA - 25 km (15 miles) NNW (340 degrees)
Covelo, CA - 26 km (16 miles) SW (222 degrees)
Fort Bragg, CA - 36 km (22 miles) ENE (57 degrees)
Coordinates 39 deg. 37.1 min. N (39.618N), 123 deg. 27.2 min. W (123.454W)
Depth 8.83 km (5.50 miles)
Quality Good
Location Quality Parameters Nst=12, Nph=12, Dmin=3.3 km, Rmss=0.10 sec, Erho=0.51 km, Erzz=0.850000024 km, Gp=106 degrees
Event ID# nc75241872
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