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 12:14:00 PM (PDT) on Monday, September 21, 2026.
The magnitude 1.3 event occurred 2 km (1 miles) S of Redwood Valley, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.3 - duration magnitude (Md) |
| Time | Monday, September 21, 2026 at 12:14:00 PM (PDT) Monday, September 21, 2026 at 19:14:00 (UTC) |
| Distance from |
Redwood Valley, CA - 2 km (1 miles) S (184 degrees) Ukiah, CA - 11 km (7 miles) N (1 degrees) Talmage, CA - 13 km (8 miles) NNW (345 degrees) Willits, CA - 22 km (14 miles) SE (144 degrees) Brooktrails, CA - 27 km (17 miles) SE (145 degrees) |
| Coordinates | 39 deg. 14.8 min. N (39.247N), 123 deg. 12.4 min. W (123.206W) |
| Depth | 6.81 km (4.20 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=6.4 km, Rmss=0.04 sec, Erho=0.7 km, Erzz=0.949999988 km, Gp=114 degrees |
| Event ID# | nc75439507 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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