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 1:56:49 AM (PDT) on Tuesday, August 19, 2025.
The magnitude 1.6 event occurred 20 km (12 miles) E (83 degrees) of Willits, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 1.6 - duration magnitude (Md)
Time Tuesday, August 19, 2025 at 1:56:49 AM (PDT)
Tuesday, August 19, 2025 at 8:56:49 (UTC)
Distance from Willits, CA - 20 km (12 miles) E (83 degrees)
Redwood Valley, CA - 20 km (12 miles) NNE (19 degrees)
Brooktrails, CA - 22 km (14 miles) E (93 degrees)
Ukiah, CA - 32 km (20 miles) NNE (12 degrees)
Talmage, CA - 33 km (21 miles) N (6 degrees)
Coordinates 39 deg. 25.9 min. N (39.432N), 123 deg. 7.8 min. W (123.130W)
Depth 5.63 km (3.50 miles)
Quality Fair
Location Quality Parameters Nst=12, Nph=12, Dmin=18.3 km, Rmss=0.05 sec, Erho=0.31 km, Erzz=2.29999995 km, Gp=107 degrees
Event ID# nc75225757
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For more information, see https://earthquake.usgs.gov

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