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 4:05:01 AM (PDT) on Sunday, August 31, 2025.
The magnitude 1.7 event occurred 1 km (1 miles) NW of Redwood Valley, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Sunday, August 31, 2025 at 4:05:01 AM (PDT) Sunday, August 31, 2025 at 11:05:01 (UTC) |
| Distance from |
Redwood Valley, CA - 1 km (1 miles) NW (315 degrees) Ukiah, CA - 14 km (9 miles) N (358 degrees) Talmage, CA - 16 km (10 miles) NNW (345 degrees) Willits, CA - 19 km (12 miles) SE (141 degrees) Brooktrails, CA - 24 km (15 miles) SE (142 degrees) |
| Coordinates | 39 deg. 16.4 min. N (39.273N), 123 deg. 12.9 min. W (123.215W) |
| Depth | 6.05 km (3.80 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=17, Nph=17, Dmin=10.6 km, Rmss=0.08 sec, Erho=0.3 km, Erzz=1.28999996 km, Gp=75 degrees |
| Event ID# | nc75231187 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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