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 4:01:48 PM (PDT) on Tuesday, March 25, 2025.
The magnitude 1.0 event occurred 8 km (5 miles) N of Healdsburg, CA.
The hypocentral depth is 9 km ( 6 miles).


Magnitude 1.0 - duration magnitude (Md)
Time Tuesday, March 25, 2025 at 4:01:48 PM (PDT)
Tuesday, March 25, 2025 at 23:01:48 (UTC)
Distance from Healdsburg, CA - 8 km (5 miles) N (350 degrees)
The Geysers, CA - 15 km (10 miles) SW (227 degrees)
Windsor, CA - 16 km (10 miles) NNW (338 degrees)
Cloverdale, CA - 18 km (11 miles) SE (140 degrees)
Cobb, CA - 21 km (13 miles) SW (222 degrees)
Coordinates 38 deg. 40.9 min. N (38.682N), 122 deg. 53.1 min. W (122.886W)
Depth 9.32 km (5.80 miles)
Quality Good
Location Quality Parameters Nst=33, Nph=33, Dmin=10.2 km, Rmss=0.05 sec, Erho=0.17 km, Erzz=0.69 km, Gp=94 degrees
Event ID# nc75155277
Additional Information Map
Waveforms

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

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