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 11:05:58 AM (PDT) on Thursday, July 24, 2025.
The magnitude 1.7 event occurred 28 km (17 miles) NE (42 degrees) of Redwood Valley, CA.
The hypocentral depth is -1 km (-0.40 miles).


Magnitude 1.7 - duration magnitude (Md)
Time Thursday, July 24, 2025 at 11:05:58 AM (PDT)
Thursday, July 24, 2025 at 18:05:58 (UTC)
Distance from Redwood Valley, CA - 28 km (17 miles) NE (42 degrees)
Willits, CA - 32 km (20 miles) E (82 degrees)
Upper Lake, CA - 32 km (20 miles) N (349 degrees)
Brooktrails, CA - 34 km (21 miles) E (89 degrees)
Nice, CA - 38 km (24 miles) NNW (342 degrees)
Coordinates 39 deg. 27.0 min. N (39.451N), 122 deg. 59.1 min. W (122.986W)
Depth -0.69 km (-0.40 miles)
Quality Good
Location Quality Parameters Nst=29, Nph=38, Dmin=8.0 km, Rmss=0.13 sec, Erho=0.19 km, Erzz=0.71 km, Gp=32 degrees
Event ID# nc75214517
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For more information, see https://earthquake.usgs.gov

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