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 6:20:09 PM (PDT) on Friday, September 12, 2025.
The magnitude 2.1 event occurred 25 km (16 miles) NNW of Hayfork, CA.
The hypocentral depth is 27 km (17 miles).


Magnitude 2.1 - duration magnitude (Md)
Time Friday, September 12, 2025 at 6:20:09 PM (PDT)
Saturday, September 13, 2025 at 1:20:09 (UTC)
Distance from Hayfork, CA - 25 km (16 miles) NNW (332 degrees)
Weaverville, CA - 32 km (20 miles) W (275 degrees)
Willow Creek, CA - 33 km (20 miles) SE (128 degrees)
Lewiston, CA - 44 km (27 miles) W (277 degrees)
Blue Lake, CA - 57 km (36 miles) ESE (104 degrees)
Coordinates 40 deg. 45.3 min. N (40.755N), 123 deg. 19.6 min. W (123.326W)
Depth 27.38 km (17.00 miles)
Quality Good
Location Quality Parameters Nst=6, Nph=6, Dmin=14.9 km, Rmss=0.05 sec, Erho=0.6 km, Erzz=1.60000002 km, Gp=103 degrees
Event ID# nc75237147
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For more information, see https://earthquake.usgs.gov

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