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 11:32:26 PM (PDT) on Sunday, August 17, 2025.
The magnitude 1.5 event occurred 11 km (7 miles) NNE (22 degrees) of Larkfield-Wikiup, CA.
The hypocentral depth is 4 km ( 3 miles).
| Magnitude | 1.5 - duration magnitude (Md) |
| Time | Sunday, August 17, 2025 at 11:32:26 PM (PDT) Monday, August 18, 2025 at 6:32:26 (UTC) |
| Distance from |
Larkfield-Wikiup, CA - 11 km (7 miles) NNE (22 degrees) Calistoga, CA - 11 km (7 miles) WNW (285 degrees) Windsor, CA - 12 km (7 miles) ENE (57 degrees) Healdsburg, CA - 14 km (9 miles) E (92 degrees) Santa Rosa, CA - 17 km (11 miles) N (0 degrees) |
| Coordinates | 38 deg. 36.3 min. N (38.605N), 122 deg. 42.2 min. W (122.703W) |
| Depth | 4.43 km (2.80 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=16, Nph=16, Dmin=2.7 km, Rmss=0.08 sec, Erho=0.74 km, Erzz=1.21000004 km, Gp=149 degrees |
| Event ID# | nc75225332 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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