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 7:48:00 AM (PDT) on Wednesday, October 8, 2025.
The magnitude 2.2 event occurred 21 km (13 miles) NNW of Hayfork, CA.
The hypocentral depth is 22 km (14 miles).


Magnitude 2.2 - duration magnitude (Md)
Time Wednesday, October 8, 2025 at 7:48:00 AM (PDT)
Wednesday, October 8, 2025 at 14:48:00 (UTC)
Distance from Hayfork, CA - 21 km (13 miles) NNW (332 degrees)
Weaverville, CA - 30 km (19 miles) W (269 degrees)
Willow Creek, CA - 37 km (23 miles) SE (130 degrees)
Lewiston, CA - 42 km (26 miles) W (273 degrees)
Blue Lake, CA - 60 km (37 miles) ESE (107 degrees)
Coordinates 40 deg. 43.5 min. N (40.725N), 123 deg. 18.1 min. W (123.301W)
Depth 22.04 km (13.70 miles)
Quality Good
Location Quality Parameters Nst=17, Nph=17, Dmin=18.6 km, Rmss=0.19 sec, Erho=0.63 km, Erzz=0.879999995 km, Gp=73 degrees
Event ID# nc75246551
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