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 1:25:30 AM (PDT) on Monday, May 4, 2026.
The magnitude 1.2 event occurred 13 km (8 miles) W of Lakeport, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 1.2 - duration magnitude (Md)
Time Monday, May 4, 2026 at 1:25:30 AM (PDT)
Monday, May 4, 2026 at 8:25:30 (UTC)
Distance from Lakeport, CA - 13 km (8 miles) W (261 degrees)
Talmage, CA - 15 km (9 miles) SE (144 degrees)
North Lakeport, CA - 16 km (10 miles) WSW (243 degrees)
Ukiah, CA - 18 km (11 miles) SE (138 degrees)
Kelseyville, CA - 20 km (13 miles) WNW (285 degrees)
Coordinates 39 deg. 1.5 min. N (39.025N), 123 deg. 4.0 min. W (123.067W)
Depth 5.56 km (3.50 miles)
Quality Excellent
Location Quality Parameters Nst=34, Nph=37, Dmin=3.5 km, Rmss=0.10 sec, Erho=0.17 km, Erzz=0.36 km, Gp=38 degrees
Event ID# nc75356612
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For more information, see https://earthquake.usgs.gov

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