Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

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


Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 6:11:26 AM (PDT) on Tuesday, September 30, 2025.
The magnitude 1.4 event occurred 12 km (7 miles) SSE of Bodega Bay, CA.
The hypocentral depth is 11 km ( 7 miles).


Magnitude 1.4 - duration magnitude (Md)
Time Tuesday, September 30, 2025 at 6:11:26 AM (PDT)
Tuesday, September 30, 2025 at 13:11:26 (UTC)
Distance from Bodega Bay, CA - 12 km (7 miles) SSE (150 degrees)
Inverness, CA - 19 km (12 miles) NW (325 degrees)
Occidental, CA - 19 km (12 miles) S (188 degrees)
Sebastopol, CA - 23 km (14 miles) SW (217 degrees)
Graton, CA - 24 km (15 miles) SSW (204 degrees)
Coordinates 38 deg. 14.4 min. N (38.240N), 122 deg. 58.8 min. W (122.979W)
Depth 10.93 km (6.80 miles)
Quality Good
Location Quality Parameters Nst=32, Nph=36, Dmin=6.4 km, Rmss=0.09 sec, Erho=0.35 km, Erzz=0.38 km, Gp=146 degrees
Event ID# nc75242976
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For more information, see https://earthquake.usgs.gov

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