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 11:36:50 PM (PDT) on Sunday, September 7, 2025.
The magnitude 1.2 event occurred 5 km (3 miles) NE (34 degrees) of Windsor, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.2 - duration magnitude (Md) |
| Time | Sunday, September 7, 2025 at 11:36:50 PM (PDT) Monday, September 8, 2025 at 6:36:50 (UTC) |
| Distance from |
Windsor, CA - 5 km (3 miles) NE (34 degrees) Healdsburg, CA - 8 km (5 miles) ESE (114 degrees) Larkfield-Wikiup, CA - 8 km (5 miles) NNW (338 degrees) Forestville, CA - 15 km (9 miles) NE (37 degrees) Santa Rosa, CA - 16 km (10 miles) NNW (334 degrees) |
| Coordinates | 38 deg. 34.9 min. N (38.582N), 122 deg. 47.2 min. W (122.786W) |
| Depth | 6.40 km (4.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=12, Nph=12, Dmin=7.4 km, Rmss=0.07 sec, Erho=0.38 km, Erzz=0.879999995 km, Gp=69 degrees |
| Event ID# | nc75234817 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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