Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California


Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 5:51:56 PM (PDT) on Thursday, October 9, 2025.
The magnitude 2.0 event occurred 21 km (13 miles) NNW of Hayfork, CA.
The hypocentral depth is 28 km (17 miles).


Magnitude 2.0 - duration magnitude (Md)
Time Thursday, October 9, 2025 at 5:51:56 PM (PDT)
Friday, October 10, 2025 at 0:51:56 (UTC)
Distance from Hayfork, CA - 21 km (13 miles) NNW (334 degrees)
Weaverville, CA - 30 km (19 miles) W (269 degrees)
Willow Creek, CA - 37 km (23 miles) SE (130 degrees)
Lewiston, CA - 41 km (26 miles) W (273 degrees)
Blue Lake, CA - 61 km (38 miles) ESE (107 degrees)
Coordinates 40 deg. 43.6 min. N (40.726N), 123 deg. 17.7 min. W (123.296W)
Depth 27.56 km (17.10 miles)
Quality Good
Location Quality Parameters Nst=50, Nph=55, Dmin=18.7 km, Rmss=0.15 sec, Erho=0.3 km, Erzz=0.73 km, Gp=40 degrees
Event ID# nc75247171
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For more information, see https://earthquake.usgs.gov

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