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 4:48:58 AM (PDT) on Thursday, September 24, 2026.
The magnitude 1.7 event occurred 3 km (2 miles) S of Redwood Valley, CA.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 1.7 - duration magnitude (Md)
Time Thursday, September 24, 2026 at 4:48:58 AM (PDT)
Thursday, September 24, 2026 at 11:48:58 (UTC)
Distance from Redwood Valley, CA - 3 km (2 miles) S (170 degrees)
Ukiah, CA - 10 km (6 miles) N (5 degrees)
Talmage, CA - 12 km (8 miles) NNW (347 degrees)
Willits, CA - 23 km (14 miles) SE (144 degrees)
Upper Lake, CA - 26 km (16 miles) WNW (289 degrees)
Coordinates 39 deg. 14.5 min. N (39.241N), 123 deg. 11.9 min. W (123.199W)
Depth 5.31 km (3.30 miles)
Quality Good
Location Quality Parameters Nst=15, Nph=15, Dmin=7.1 km, Rmss=0.07 sec, Erho=0.28 km, Erzz=0.910000026 km, Gp=46 degrees
Event ID# nc75440807
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For more information, see https://earthquake.usgs.gov

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