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 8:35:02 PM (PDT) on Sunday, September 28, 2025.
The magnitude 1.5 event occurred 10 km (6 miles) NNW of Redwood Valley, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 1.5 - duration magnitude (Md) |
| Time | Sunday, September 28, 2025 at 8:35:02 PM (PDT) Monday, September 29, 2025 at 3:35:02 (UTC) |
| Distance from |
Redwood Valley, CA - 10 km (6 miles) NNW (335 degrees) Willits, CA - 11 km (7 miles) SE (129 degrees) Brooktrails, CA - 16 km (10 miles) SE (134 degrees) Ukiah, CA - 22 km (14 miles) N (350 degrees) Talmage, CA - 25 km (15 miles) NNW (343 degrees) |
| Coordinates | 39 deg. 20.6 min. N (39.344N), 123 deg. 15.1 min. W (123.252W) |
| Depth | 1.28 km (0.80 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=6, Nph=6, Dmin=11.2 km, Rmss=0.04 sec, Erho=0.62 km, Erzz=6.82999992 km, Gp=124 degrees |
| Event ID# | nc75243232 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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