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 9:44:57 PM (PDT) on Tuesday, September 29, 2026.
The magnitude 1.7 event occurred 16 km (10 miles) NNE (27 degrees) of Brooktrails, CA.
The hypocentral depth is 13 km ( 8 miles).


Magnitude 1.7 - duration magnitude (Md)
Time Tuesday, September 29, 2026 at 9:44:57 PM (PDT)
Wednesday, September 30, 2026 at 4:44:57 (UTC)
Distance from Brooktrails, CA - 16 km (10 miles) NNE (27 degrees)
Willits, CA - 18 km (11 miles) NNE (15 degrees)
Laytonville, CA - 20 km (13 miles) SE (130 degrees)
Covelo, CA - 25 km (16 miles) S (190 degrees)
Redwood Valley, CA - 35 km (22 miles) NNW (346 degrees)
Coordinates 39 deg. 34.2 min. N (39.569N), 123 deg. 18.1 min. W (123.302W)
Depth 12.93 km (8.00 miles)
Quality Fair
Location Quality Parameters Nst=8, Nph=8, Dmin=10.2 km, Rmss=0.10 sec, Erho=1.77 km, Erzz=3.58999991 km, Gp=146 degrees
Event ID# nc75441806
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