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 8:04:23 PM (PDT) on Friday, July 25, 2025.
The magnitude 1.0 event occurred 6 km (3 miles) E (81 degrees) of Boonville, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 1.0 - duration magnitude (Md)
Time Friday, July 25, 2025 at 8:04:23 PM (PDT)
Saturday, July 26, 2025 at 3:04:23 (UTC)
Distance from Boonville, CA - 6 km (3 miles) E (81 degrees)
Ukiah, CA - 17 km (10 miles) SSW (209 degrees)
Talmage, CA - 17 km (11 miles) SW (222 degrees)
Redwood Valley, CA - 29 km (18 miles) SSW (197 degrees)
Cloverdale, CA - 34 km (21 miles) NW (314 degrees)
Coordinates 39 deg. 1.0 min. N (39.017N), 123 deg. 18.1 min. W (123.302W)
Depth 2.92 km (1.80 miles)
Quality Good
Location Quality Parameters Nst=13, Nph=15, Dmin=5.2 km, Rmss=0.09 sec, Erho=0.25 km, Erzz=1.21 km, Gp=57 degrees
Event ID# nc75215132
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