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 9:35:56 PM (PDT) on Tuesday, September 2, 2025.
The magnitude 1.2 event occurred 12 km (8 miles) W of Lakeport, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 1.2 - duration magnitude (Md)
Time Tuesday, September 2, 2025 at 9:35:56 PM (PDT)
Wednesday, September 3, 2025 at 4:35:56 (UTC)
Distance from Lakeport, CA - 12 km (8 miles) W (271 degrees)
Talmage, CA - 14 km (8 miles) SE (136 degrees)
North Lakeport, CA - 14 km (9 miles) WSW (250 degrees)
Ukiah, CA - 17 km (11 miles) SE (132 degrees)
Upper Lake, CA - 18 km (11 miles) SW (224 degrees)
Coordinates 39 deg. 2.7 min. N (39.045N), 123 deg. 3.5 min. W (123.058W)
Depth 6.29 km (3.90 miles)
Quality Excellent
Location Quality Parameters Nst=38, Nph=42, Dmin=5.8 km, Rmss=0.09 sec, Erho=0.16 km, Erzz=0.32 km, Gp=43 degrees
Event ID# nc75232517
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For more information, see https://earthquake.usgs.gov

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