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 2:50:00 PM (PDT) on Saturday, October 17, 2026.
The magnitude 1.9 event occurred 32 km (20 miles) NE (43 degrees) of Redwood Valley, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 1.9 - duration magnitude (Md) |
| Time | Saturday, October 17, 2026 at 2:50:00 PM (PDT) Saturday, October 17, 2026 at 21:50:00 (UTC) |
| Distance from |
Redwood Valley, CA - 32 km (20 miles) NE (43 degrees) Upper Lake, CA - 35 km (22 miles) N (355 degrees) Willits, CA - 36 km (22 miles) ENE (78 degrees) Brooktrails, CA - 38 km (24 miles) E (84 degrees) Nice, CA - 40 km (25 miles) NNW (348 degrees) |
| Coordinates | 39 deg. 28.7 min. N (39.478N), 122 deg. 56.7 min. W (122.946W) |
| Depth | 10.03 km (6.20 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=4.1 km, Rmss=0.04 sec, Erho=0.5 km, Erzz=0.810000002 km, Gp=113 degrees |
| Event ID# | nc75451216 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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