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 9:45:45 PM (PDT) on Thursday, August 27, 2026.
The magnitude 1.6 event occurred 11 km (7 miles) N of Redwood Valley, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 1.6 - duration magnitude (Md)
Time Thursday, August 27, 2026 at 9:45:45 PM (PDT)
Friday, August 28, 2026 at 4:45:45 (UTC)
Distance from Redwood Valley, CA - 11 km (7 miles) N (351 degrees)
Willits, CA - 12 km (8 miles) ESE (114 degrees)
Brooktrails, CA - 16 km (10 miles) ESE (123 degrees)
Ukiah, CA - 24 km (15 miles) N (357 degrees)
Talmage, CA - 26 km (16 miles) N (349 degrees)
Coordinates 39 deg. 21.9 min. N (39.364N), 123 deg. 13.5 min. W (123.226W)
Depth 7.07 km (4.40 miles)
Quality Good
Location Quality Parameters Nst=11, Nph=11, Dmin=7.1 km, Rmss=0.02 sec, Erho=0.3 km, Erzz=0.709999979 km, Gp=122 degrees
Event ID# nc75426202
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