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 11:26:38 PM (PDT) on Saturday, October 18, 2025.
The magnitude 0.9 event occurred 8 km (5 miles) N (3 degrees) of Redwood Valley, CA.
The hypocentral depth is -0.01 km (-0.00 miles).
| Magnitude | 0.9 - duration magnitude (Md) |
| Time | Saturday, October 18, 2025 at 11:26:38 PM (PDT) Sunday, October 19, 2025 at 6:26:38 (UTC) |
| Distance from |
Redwood Valley, CA - 8 km (5 miles) N (3 degrees) Willits, CA - 16 km (10 miles) ESE (122 degrees) Brooktrails, CA - 20 km (13 miles) SE (127 degrees) Ukiah, CA - 21 km (13 miles) N (2 degrees) Talmage, CA - 22 km (14 miles) N (353 degrees) |
| Coordinates | 39 deg. 20.0 min. N (39.333N), 123 deg. 11.9 min. W (123.199W) |
| Depth | -0.01 km (-0.00 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=6, Nph=6, Dmin=7.6 km, Rmss=0.17 sec, Erho=7.44 km, Erzz=13.8400002 km, Gp=183 degrees |
| Event ID# | nc75251391 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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