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 2:37:08 AM (PDT) on Sunday, August 23, 2026.
The magnitude 2.8 event occurred 34 km (21 miles) NE (41 degrees) of Redwood Valley, CA.
The hypocentral depth is 11 km ( 7 miles).


Magnitude 2.8 - duration magnitude (Md)
Time Sunday, August 23, 2026 at 2:37:08 AM (PDT)
Sunday, August 23, 2026 at 9:37:08 (UTC)
Distance from Redwood Valley, CA - 34 km (21 miles) NE (41 degrees)
Willits, CA - 36 km (23 miles) ENE (74 degrees)
Upper Lake, CA - 37 km (23 miles) N (355 degrees)
Brooktrails, CA - 38 km (24 miles) E (81 degrees)
Nice, CA - 42 km (26 miles) N (349 degrees)
Coordinates 39 deg. 29.8 min. N (39.497N), 122 deg. 56.8 min. W (122.947W)
Depth 10.90 km (6.80 miles)
Quality Excellent
Location Quality Parameters Nst=41, Nph=40, Dmin=2.0 km, Rmss=0.14 sec, Erho=0.23 km, Erzz=0.5 km, Gp=40 degrees
Event ID# nc75423527
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For more information, see https://earthquake.usgs.gov

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