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 1:30:46 PM (PDT) on Saturday, September 6, 2025.
The magnitude 1.1 event occurred 11 km (7 miles) NNW of Healdsburg, CA.
The hypocentral depth is 4 km ( 2 miles).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Saturday, September 6, 2025 at 1:30:46 PM (PDT) Saturday, September 6, 2025 at 20:30:46 (UTC) |
| Distance from |
Healdsburg, CA - 11 km (7 miles) NNW (333 degrees) Cloverdale, CA - 14 km (9 miles) SSE (147 degrees) The Geysers, CA - 17 km (11 miles) WSW (240 degrees) Windsor, CA - 19 km (12 miles) NNW (330 degrees) Cobb, CA - 22 km (14 miles) SW (232 degrees) |
| Coordinates | 38 deg. 41.9 min. N (38.699N), 122 deg. 55.7 min. W (122.928W) |
| Depth | 4.10 km (2.50 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=8, Nph=7, Dmin=16.7 km, Rmss=0.24 sec, Erho=3.72 km, Erzz=17.6200008 km, Gp=216 degrees |
| Event ID# | nc75234062 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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