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 event has been reviewed by a seismologist.

A micro earthquake occurred at 6:54:03 PM (PST) on Sunday, November 2, 2025.
The magnitude 2.8 event occurred 3 km (2 miles) W of Cobb, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 2.8 - local magnitude (Ml)
Time Sunday, November 2, 2025 at 6:54:03 PM (PST)
Monday, November 3, 2025 at 2:54:03 (UTC)
Distance from Cobb, CA - 3 km (2 miles) W (269 degrees)
The Geysers, CA - 5 km (3 miles) N (356 degrees)
Middletown, CA - 15 km (9 miles) WNW (301 degrees)
Lower Lake, CA - 16 km (10 miles) SW (233 degrees)
Hidden Valley Lake, CA - 18 km (11 miles) W (275 degrees)
Coordinates 38 deg. 49.3 min. N (38.821N), 122 deg. 45.7 min. W (122.761W)
Depth 2.11 km (1.30 miles)
Quality Fair
Location Quality Parameters Nst=61, Nph=64, Dmin=4.9 km, Rmss=0.55 sec, Erho=1.12 km, Erzz=1.022 km, Gp=19 degrees
Event ID# nc75258206
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