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 0:22:24 AM (PDT) on Saturday, August 2, 2025.
The magnitude 1.2 event occurred 15 km (9 miles) ESE of Boonville, CA.
The hypocentral depth is 4 km ( 2 miles).


Magnitude 1.2 - duration magnitude (Md)
Time Saturday, August 2, 2025 at 0:22:24 AM (PDT)
Saturday, August 2, 2025 at 7:22:24 (UTC)
Distance from Boonville, CA - 15 km (9 miles) ESE (121 degrees)
Talmage, CA - 22 km (14 miles) S (191 degrees)
Cloverdale, CA - 23 km (14 miles) NW (311 degrees)
Ukiah, CA - 23 km (14 miles) S (182 degrees)
Lakeport, CA - 28 km (18 miles) WSW (246 degrees)
Coordinates 38 deg. 56.4 min. N (38.940N), 123 deg. 13.1 min. W (123.218W)
Depth 3.94 km (2.40 miles)
Quality Excellent
Location Quality Parameters Nst=24, Nph=25, Dmin=2.2 km, Rmss=0.11 sec, Erho=0.22 km, Erzz=0.39 km, Gp=45 degrees
Event ID# nc75218207
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For more information, see https://earthquake.usgs.gov

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