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 2:16:59 AM (PDT) on Wednesday, June 17, 2026.
The magnitude 1.1 event occurred 4 km (3 miles) NNE (28 degrees) of Windsor, CA.
The hypocentral depth is 7 km ( 5 miles).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Wednesday, June 17, 2026 at 2:16:59 AM (PDT) Wednesday, June 17, 2026 at 9:16:59 (UTC) |
| Distance from |
Windsor, CA - 4 km (3 miles) NNE (28 degrees) Healdsburg, CA - 7 km (5 miles) ESE (117 degrees) Larkfield-Wikiup, CA - 8 km (5 miles) NNW (333 degrees) Forestville, CA - 15 km (9 miles) NE (35 degrees) Santa Rosa, CA - 17 km (10 miles) NNW (332 degrees) |
| Coordinates | 38 deg. 34.8 min. N (38.580N), 122 deg. 47.6 min. W (122.794W) |
| Depth | 7.39 km (4.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=30, Nph=33, Dmin=8.0 km, Rmss=0.07 sec, Erho=0.17 km, Erzz=0.41 km, Gp=45 degrees |
| Event ID# | nc75378381 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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