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 4:56:33 AM (PDT) on Wednesday, October 28, 2026.
The magnitude 2.1 event occurred 34 km (21 miles) NE (40 degrees) of Redwood Valley, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 2.1 - duration magnitude (Md) |
| Time | Wednesday, October 28, 2026 at 4:56:33 AM (PDT) Wednesday, October 28, 2026 at 11:56:33 (UTC) |
| Distance from |
Redwood Valley, CA - 34 km (21 miles) NE (40 degrees) Willits, CA - 36 km (22 miles) ENE (74 degrees) Upper Lake, CA - 37 km (23 miles) N (355 degrees) Brooktrails, CA - 38 km (23 miles) E (81 degrees) Covelo, CA - 42 km (26 miles) SE (142 degrees) |
| Coordinates | 39 deg. 29.9 min. N (39.498N), 122 deg. 57.0 min. W (122.950W) |
| Depth | 9.87 km (6.10 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=23, Nph=22, Dmin=2.0 km, Rmss=0.11 sec, Erho=0.26 km, Erzz=0.620000005 km, Gp=59 degrees |
| Event ID# | nc75458892 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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