Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California


Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 8:52:34 PM (PDT) on Monday, March 24, 2025.
The magnitude 0.4 event occurred 7 km (4 miles) WNW of Cobb, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 0.4 - duration magnitude (Md)
Time Monday, March 24, 2025 at 8:52:34 PM (PDT)
Tuesday, March 25, 2025 at 3:52:34 (UTC)
Distance from Cobb, CA - 7 km (4 miles) WNW (282 degrees)
The Geysers, CA - 7 km (5 miles) NNW (329 degrees)
Kelseyville, CA - 16 km (10 miles) SSE (168 degrees)
Soda Bay, CA - 18 km (11 miles) S (183 degrees)
Middletown, CA - 18 km (11 miles) WNW (300 degrees)
Coordinates 38 deg. 50.1 min. N (38.835N), 122 deg. 48.0 min. W (122.800W)
Depth 2.32 km (1.40 miles)
Quality Excellent
Location Quality Parameters Nst=28, Nph=30, Dmin=0.9 km, Rmss=0.03 sec, Erho=0.15 km, Erzz=0.35 km, Gp=61 degrees
Event ID# nc75154812
Additional Information Map
Waveforms

For more information, see https://earthquake.usgs.gov

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