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 2:54:37 PM (PDT) on Monday, September 29, 2025.
The magnitude 1.2 event occurred 12 km (7 miles) S of Boonville, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 1.2 - duration magnitude (Md) |
| Time | Monday, September 29, 2025 at 2:54:37 PM (PDT) Monday, September 29, 2025 at 21:54:37 (UTC) |
| Distance from |
Boonville, CA - 12 km (7 miles) S (180 degrees) Sea Ranch, CA - 22 km (14 miles) NNE (20 degrees) Ukiah, CA - 31 km (19 miles) SSW (206 degrees) Talmage, CA - 31 km (19 miles) SW (214 degrees) Cloverdale, CA - 32 km (20 miles) WNW (289 degrees) |
| Coordinates | 38 deg. 54.0 min. N (38.901N), 123 deg. 22.0 min. W (123.366W) |
| Depth | 1.20 km (0.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=15, Nph=18, Dmin=9.7 km, Rmss=0.09 sec, Erho=0.32 km, Erzz=1.9 km, Gp=80 degrees |
| Event ID# | nc75243537 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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