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 9:15:09 AM (PDT) on Thursday, August 7, 2025.
The magnitude 2.1 event occurred 5 km (3 miles) NNE (31 degrees) of Windsor, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 2.1 - duration magnitude (Md) |
| Time | Thursday, August 7, 2025 at 9:15:09 AM (PDT) Thursday, August 7, 2025 at 16:15:09 (UTC) |
| Distance from |
Windsor, CA - 5 km (3 miles) NNE (31 degrees) Healdsburg, CA - 8 km (5 miles) ESE (112 degrees) Larkfield-Wikiup, CA - 9 km (5 miles) NNW (338 degrees) Forestville, CA - 15 km (9 miles) NE (36 degrees) Santa Rosa, CA - 17 km (10 miles) NNW (334 degrees) |
| Coordinates | 38 deg. 35.1 min. N (38.584N), 122 deg. 47.3 min. W (122.788W) |
| Depth | 4.87 km (3.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=24, Nph=24, Dmin=7.5 km, Rmss=0.10 sec, Erho=0.23 km, Erzz=0.910000026 km, Gp=57 degrees |
| Event ID# | nc75220417 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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