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 11:22:55 AM (PDT) on Saturday, August 16, 2025.
The magnitude 0.9 event occurred 9 km (6 miles) N (5 degrees) of Healdsburg, CA.
The hypocentral depth is 17 km (11 miles).
| Magnitude | 0.9 - duration magnitude (Md) |
| Time | Saturday, August 16, 2025 at 11:22:55 AM (PDT) Saturday, August 16, 2025 at 18:22:55 (UTC) |
| Distance from |
Healdsburg, CA - 9 km (6 miles) N (5 degrees) The Geysers, CA - 13 km (8 miles) SW (225 degrees) Windsor, CA - 17 km (10 miles) NNW (347 degrees) Cloverdale, CA - 18 km (11 miles) SE (132 degrees) Cobb, CA - 18 km (11 miles) SW (220 degrees) |
| Coordinates | 38 deg. 41.7 min. N (38.695N), 122 deg. 51.6 min. W (122.860W) |
| Depth | 17.17 km (10.70 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=11.5 km, Rmss=0.11 sec, Erho=2.02 km, Erzz=5.09000015 km, Gp=165 degrees |
| Event ID# | nc75224672 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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