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 7:49:46 AM (PST) on Wednesday, January 28, 2026.
The magnitude 1.8 event occurred 21 km (13 miles) NNE (30 degrees) of Upper Lake, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 1.8 - duration magnitude (Md)
Time Wednesday, January 28, 2026 at 7:49:46 AM (PST)
Wednesday, January 28, 2026 at 15:49:46 (UTC)
Distance from Upper Lake, CA - 21 km (13 miles) NNE (30 degrees)
Nice, CA - 23 km (14 miles) NNE (12 degrees)
North Lakeport, CA - 28 km (18 miles) NNE (20 degrees)
Lakeport, CA - 33 km (21 miles) NNE (19 degrees)
Clearlake Oaks, CA - 35 km (22 miles) NNW (343 degrees)
Coordinates 39 deg. 19.6 min. N (39.327N), 122 deg. 47.4 min. W (122.790W)
Depth 7.57 km (4.70 miles)
Quality Good
Location Quality Parameters Nst=16, Nph=16, Dmin=9.8 km, Rmss=0.19 sec, Erho=0.49 km, Erzz=1.25 km, Gp=80 degrees
Event ID# nc75303181
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For more information, see https://earthquake.usgs.gov

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