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 5:12:41 AM (PDT) on Wednesday, October 28, 2026.
The magnitude 2.2 event occurred 33 km (21 miles) NE (41 degrees) of Redwood Valley, CA.
The hypocentral depth is 9 km ( 6 miles).


Magnitude 2.2 - duration magnitude (Md)
Time Wednesday, October 28, 2026 at 5:12:41 AM (PDT)
Wednesday, October 28, 2026 at 12:12:41 (UTC)
Distance from Redwood Valley, CA - 33 km (21 miles) NE (41 degrees)
Willits, CA - 36 km (22 miles) ENE (75 degrees)
Upper Lake, CA - 36 km (23 miles) N (355 degrees)
Brooktrails, CA - 38 km (23 miles) E (82 degrees)
Nice, CA - 42 km (26 miles) NNW (348 degrees)
Coordinates 39 deg. 29.5 min. N (39.491N), 122 deg. 57.0 min. W (122.951W)
Depth 9.34 km (5.80 miles)
Quality Excellent
Location Quality Parameters Nst=23, Nph=23, Dmin=2.7 km, Rmss=0.12 sec, Erho=0.28 km, Erzz=0.579999983 km, Gp=51 degrees
Event ID# nc75458917
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For more information, see https://earthquake.usgs.gov

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