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 9:25:29 AM (PST) on Saturday, February 21, 2026.
The magnitude 2.2 event occurred 6 km (4 miles) W of Cobb, CA.
The hypocentral depth is 1 km (0.50 miles).


Magnitude 2.2 - duration magnitude (Md)
Time Saturday, February 21, 2026 at 9:25:29 AM (PST)
Saturday, February 21, 2026 at 17:25:29 (UTC)
Distance from Cobb, CA - 6 km (4 miles) W (277 degrees)
The Geysers, CA - 7 km (4 miles) NNW (330 degrees)
Kelseyville, CA - 17 km (11 miles) SSE (167 degrees)
Middletown, CA - 18 km (11 miles) WNW (299 degrees)
Lower Lake, CA - 18 km (11 miles) WSW (241 degrees)
Coordinates 38 deg. 49.8 min. N (38.829N), 122 deg. 47.7 min. W (122.796W)
Depth 0.81 km (0.50 miles)
Quality Excellent
Location Quality Parameters Nst=12, Nph=12, Dmin=1.1 km, Rmss=0.01 sec, Erho=0.3 km, Erzz=0.430000007 km, Gp=54 degrees
Event ID# nc75316852
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For more information, see https://earthquake.usgs.gov

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