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 2:38:46 PM (PDT) on Thursday, September 25, 2025.
The magnitude 1.4 event occurred 32 km (20 miles) SE of Covelo, CA.
The hypocentral depth is -1 km (-0.50 miles).


Magnitude 1.4 - duration magnitude (Md)
Time Thursday, September 25, 2025 at 2:38:46 PM (PDT)
Thursday, September 25, 2025 at 21:38:46 (UTC)
Distance from Covelo, CA - 32 km (20 miles) SE (138 degrees)
Willits, CA - 36 km (23 miles) ENE (59 degrees)
Brooktrails, CA - 37 km (23 miles) ENE (66 degrees)
Redwood Valley, CA - 39 km (24 miles) NNE (27 degrees)
Laytonville, CA - 44 km (27 miles) ESE (106 degrees)
Coordinates 39 deg. 34.7 min. N (39.579N), 122 deg. 59.7 min. W (122.994W)
Depth -0.79 km (-0.50 miles)
Quality Good
Location Quality Parameters Nst=11, Nph=11, Dmin=8.5 km, Rmss=0.10 sec, Erho=0.43 km, Erzz=3.96000004 km, Gp=82 degrees
Event ID# nc75242052
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