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 4:25:40 PM (PDT) on Wednesday, July 29, 2026.
The magnitude 1.6 event occurred 26 km (16 miles) N of Upper Lake, CA.
The hypocentral depth is 11 km ( 7 miles).


Magnitude 1.6 - duration magnitude (Md)
Time Wednesday, July 29, 2026 at 4:25:40 PM (PDT)
Wednesday, July 29, 2026 at 23:25:40 (UTC)
Distance from Upper Lake, CA - 26 km (16 miles) N (359 degrees)
Redwood Valley, CA - 29 km (18 miles) ENE (60 degrees)
Nice, CA - 31 km (19 miles) N (349 degrees)
North Lakeport, CA - 34 km (21 miles) N (358 degrees)
Talmage, CA - 36 km (23 miles) NE (36 degrees)
Coordinates 39 deg. 23.7 min. N (39.395N), 122 deg. 55.0 min. W (122.917W)
Depth 10.94 km (6.80 miles)
Quality Fair
Location Quality Parameters Nst=7, Nph=7, Dmin=7.0 km, Rmss=0.06 sec, Erho=1.13 km, Erzz=0.850000024 km, Gp=165 degrees
Event ID# nc75408327
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For more information, see https://earthquake.usgs.gov

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