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 0:21:42 AM (PDT) on Sunday, August 17, 2025.
The magnitude 1.3 event occurred 4 km (2 miles) NW of Redwood Valley, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.3 - duration magnitude (Md) |
| Time | Sunday, August 17, 2025 at 0:21:42 AM (PDT) Sunday, August 17, 2025 at 7:21:42 (UTC) |
| Distance from |
Redwood Valley, CA - 4 km (2 miles) NW (325 degrees) Ukiah, CA - 16 km (10 miles) N (354 degrees) Willits, CA - 17 km (10 miles) SE (140 degrees) Talmage, CA - 19 km (12 miles) NNW (343 degrees) Brooktrails, CA - 21 km (13 miles) SE (141 degrees) |
| Coordinates | 39 deg. 17.6 min. N (39.293N), 123 deg. 13.8 min. W (123.230W) |
| Depth | 6.38 km (4.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=11.5 km, Rmss=0.04 sec, Erho=0.34 km, Erzz=1.63 km, Gp=99 degrees |
| Event ID# | nc75224947 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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