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 1:23:30 AM (PDT) on Sunday, September 7, 2025.
The magnitude 1.7 event occurred 23 km (14 miles) N of Covelo, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 1.7 - duration magnitude (Md)
Time Sunday, September 7, 2025 at 1:23:30 AM (PDT)
Sunday, September 7, 2025 at 8:23:30 (UTC)
Distance from Covelo, CA - 23 km (14 miles) N (349 degrees)
Laytonville, CA - 38 km (23 miles) NNE (25 degrees)
Redway, CA - 47 km (29 miles) ESE (107 degrees)
Brooktrails, CA - 62 km (38 miles) N (7 degrees)
Hayfork, CA - 63 km (39 miles) S (189 degrees)
Coordinates 39 deg. 59.8 min. N (39.997N), 123 deg. 18.0 min. W (123.299W)
Depth 7.64 km (4.70 miles)
Quality Good
Location Quality Parameters Nst=35, Nph=40, Dmin=7.8 km, Rmss=0.19 sec, Erho=0.24 km, Erzz=0.4 km, Gp=35 degrees
Event ID# nc75234367
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