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 3:20:15 PM (PDT) on Wednesday, September 17, 2025.
The magnitude 1.4 event occurred 20 km (13 miles) ENE (74 degrees) of Willits, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Wednesday, September 17, 2025 at 3:20:15 PM (PDT) Wednesday, September 17, 2025 at 22:20:15 (UTC) |
| Distance from |
Willits, CA - 20 km (13 miles) ENE (74 degrees) Brooktrails, CA - 22 km (14 miles) E (86 degrees) Redwood Valley, CA - 22 km (14 miles) NNE (17 degrees) Ukiah, CA - 35 km (22 miles) N (11 degrees) Talmage, CA - 36 km (23 miles) N (5 degrees) |
| Coordinates | 39 deg. 27.5 min. N (39.459N), 123 deg. 7.7 min. W (123.129W) |
| Depth | 5.28 km (3.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=11, Nph=11, Dmin=12.5 km, Rmss=0.05 sec, Erho=0.31 km, Erzz=1.98000002 km, Gp=91 degrees |
| Event ID# | nc75238947 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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