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 4:52:39 PM (PDT) on Sunday, March 23, 2025.
The magnitude 1.7 event occurred 6 km (4 miles) NNE (19 degrees) of Windsor, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Sunday, March 23, 2025 at 4:52:39 PM (PDT) Sunday, March 23, 2025 at 23:52:39 (UTC) |
| Distance from |
Windsor, CA - 6 km (4 miles) NNE (19 degrees) Healdsburg, CA - 7 km (4 miles) ESE (105 degrees) Larkfield-Wikiup, CA - 10 km (6 miles) NNW (337 degrees) Forestville, CA - 16 km (10 miles) NNE (32 degrees) Santa Rosa, CA - 18 km (11 miles) NNW (334 degrees) |
| Coordinates | 38 deg. 35.7 min. N (38.595N), 122 deg. 47.7 min. W (122.795W) |
| Depth | 7.05 km (4.40 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=64, Nph=65, Dmin=8.2 km, Rmss=0.08 sec, Erho=0.15 km, Erzz=0.37 km, Gp=45 degrees |
| Event ID# | nc75154137 |
| Additional Information | Map First Motion Focal Mechanism Waveforms |
For more information, see https://earthquake.usgs.gov
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