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 8:34:11 AM (PDT) on Saturday, July 25, 2026.
The magnitude 1.4 event occurred 4 km (2 miles) N (10 degrees) of Healdsburg, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Saturday, July 25, 2026 at 8:34:11 AM (PDT) Saturday, July 25, 2026 at 15:34:11 (UTC) |
| Distance from |
Healdsburg, CA - 4 km (2 miles) N (10 degrees) Windsor, CA - 11 km (7 miles) NNW (339 degrees) Larkfield-Wikiup, CA - 17 km (11 miles) NW (326 degrees) The Geysers, CA - 18 km (11 miles) SSW (211 degrees) Forestville, CA - 19 km (12 miles) N (7 degrees) |
| Coordinates | 38 deg. 38.5 min. N (38.642N), 122 deg. 51.7 min. W (122.862W) |
| Depth | 6.86 km (4.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=12, Nph=12, Dmin=11.9 km, Rmss=0.05 sec, Erho=0.37 km, Erzz=1.63999999 km, Gp=120 degrees |
| Event ID# | nc75405552 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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