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 1:46:24 AM (PDT) on Thursday, September 25, 2025.
The magnitude 1.7 event occurred 11 km (7 miles) ESE of Boonville, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Thursday, September 25, 2025 at 1:46:24 AM (PDT) Thursday, September 25, 2025 at 8:46:24 (UTC) |
| Distance from |
Boonville, CA - 11 km (7 miles) ESE (110 degrees) Talmage, CA - 19 km (12 miles) SSW (200 degrees) Ukiah, CA - 20 km (12 miles) S (188 degrees) Cloverdale, CA - 27 km (17 miles) NW (314 degrees) Lakeport, CA - 29 km (18 miles) WSW (255 degrees) |
| Coordinates | 38 deg. 58.5 min. N (38.975N), 123 deg. 14.5 min. W (123.242W) |
| Depth | 6.53 km (4.10 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=34, Nph=38, Dmin=5.7 km, Rmss=0.08 sec, Erho=0.14 km, Erzz=0.39 km, Gp=52 degrees |
| Event ID# | nc75241722 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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