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 4:51:57 AM (PDT) on Wednesday, October 28, 2026.
The magnitude 1.6 event occurred 36 km (22 miles) NE (40 degrees) of Redwood Valley, CA.
The hypocentral depth is 13 km ( 8 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Wednesday, October 28, 2026 at 4:51:57 AM (PDT) Wednesday, October 28, 2026 at 11:51:57 (UTC) |
| Distance from |
Redwood Valley, CA - 36 km (22 miles) NE (40 degrees) Willits, CA - 38 km (23 miles) ENE (73 degrees) Upper Lake, CA - 38 km (24 miles) N (357 degrees) Brooktrails, CA - 39 km (24 miles) E (79 degrees) Covelo, CA - 41 km (26 miles) SE (139 degrees) |
| Coordinates | 39 deg. 30.6 min. N (39.510N), 122 deg. 56.1 min. W (122.936W) |
| Depth | 12.94 km (8.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=7, Nph=7, Dmin=0.6 km, Rmss=0.08 sec, Erho=0.99 km, Erzz=1.30999994 km, Gp=170 degrees |
| Event ID# | nc75458887 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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