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 6:31:47 AM (PDT) on Thursday, October 15, 2026.
The magnitude 1.9 event occurred 7 km (5 miles) NNW of Redwood Valley, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 1.9 - duration magnitude (Md) |
| Time | Thursday, October 15, 2026 at 6:31:47 AM (PDT) Thursday, October 15, 2026 at 13:31:47 (UTC) |
| Distance from |
Redwood Valley, CA - 7 km (5 miles) NNW (347 degrees) Willits, CA - 14 km (9 miles) SE (128 degrees) Brooktrails, CA - 19 km (12 miles) SE (132 degrees) Ukiah, CA - 20 km (13 miles) N (356 degrees) Talmage, CA - 22 km (14 miles) NNW (347 degrees) |
| Coordinates | 39 deg. 19.8 min. N (39.330N), 123 deg. 13.5 min. W (123.224W) |
| Depth | 1.36 km (0.80 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=17, Nph=17, Dmin=3.6 km, Rmss=0.06 sec, Erho=0.22 km, Erzz=0.550000012 km, Gp=55 degrees |
| Event ID# | nc75449821 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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