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 10:28:36 PM (PST) on Tuesday, January 20, 2026.
The magnitude 1.3 event occurred 2 km (1 miles) ENE (57 degrees) of The Geysers, CA.
The hypocentral depth is 0.39 km (0.20 miles).


Magnitude 1.3 - duration magnitude (Md)
Time Tuesday, January 20, 2026 at 10:28:36 PM (PST)
Wednesday, January 21, 2026 at 6:28:36 (UTC)
Distance from The Geysers, CA - 2 km (1 miles) ENE (57 degrees)
Cobb, CA - 4 km (3 miles) SSW (200 degrees)
Middletown, CA - 11 km (7 miles) WNW (289 degrees)
Hidden Valley Lake, CA - 16 km (10 miles) W (261 degrees)
Lower Lake, CA - 18 km (11 miles) SW (219 degrees)
Coordinates 38 deg. 47.1 min. N (38.785N), 122 deg. 44.4 min. W (122.741W)
Depth 0.39 km (0.20 miles)
Quality Excellent
Location Quality Parameters Nst=18, Nph=18, Dmin=2.4 km, Rmss=0.03 sec, Erho=0.22 km, Erzz=0.519999981 km, Gp=82 degrees
Event ID# nc75299196
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