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 6:07:53 AM (PDT) on Friday, October 30, 2026.
The magnitude 1.7 event occurred 37 km (23 miles) N (5 degrees) of Upper Lake, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 1.7 - duration magnitude (Md)
Time Friday, October 30, 2026 at 6:07:53 AM (PDT)
Friday, October 30, 2026 at 13:07:53 (UTC)
Distance from Upper Lake, CA - 37 km (23 miles) N (5 degrees)
Redwood Valley, CA - 38 km (24 miles) NE (48 degrees)
Nice, CA - 41 km (26 miles) N (357 degrees)
Willits, CA - 42 km (26 miles) ENE (77 degrees)
Brooktrails, CA - 44 km (28 miles) E (83 degrees)
Coordinates 39 deg. 29.6 min. N (39.493N), 122 deg. 52.4 min. W (122.873W)
Depth 7.20 km (4.50 miles)
Quality Good
Location Quality Parameters Nst=8, Nph=8, Dmin=6.2 km, Rmss=0.15 sec, Erho=0.61 km, Erzz=1.91999996 km, Gp=104 degrees
Event ID# nc75459802
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For more information, see https://earthquake.usgs.gov

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