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 1:42:08 PM (PDT) on Monday, July 21, 2025.
The magnitude 1.3 event occurred 16 km (10 miles) WNW of Ukiah, CA.
The hypocentral depth is -0.45 km (-0.30 miles).


Magnitude 1.3 - duration magnitude (Md)
Time Monday, July 21, 2025 at 1:42:08 PM (PDT)
Monday, July 21, 2025 at 20:42:08 (UTC)
Distance from Ukiah, CA - 16 km (10 miles) WNW (288 degrees)
Redwood Valley, CA - 17 km (11 miles) WSW (242 degrees)
Talmage, CA - 20 km (12 miles) WNW (290 degrees)
Boonville, CA - 20 km (13 miles) N (356 degrees)
Willits, CA - 24 km (15 miles) S (185 degrees)
Coordinates 39 deg. 11.5 min. N (39.192N), 123 deg. 22.9 min. W (123.381W)
Depth -0.45 km (-0.30 miles)
Quality Good
Location Quality Parameters Nst=8, Nph=8, Dmin=7.1 km, Rmss=0.14 sec, Erho=0.62 km, Erzz=2.6099999 km, Gp=79 degrees
Event ID# nc75213057
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