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 10:01:24 AM (PDT) on Tuesday, September 1, 2026.
The magnitude 2.1 event occurred 15 km (10 miles) N of Boonville, CA.
The hypocentral depth is 4 km ( 2 miles).
| Magnitude | 2.1 - duration magnitude (Md) |
| Time | Tuesday, September 1, 2026 at 10:01:24 AM (PDT) Tuesday, September 1, 2026 at 17:01:24 (UTC) |
| Distance from |
Boonville, CA - 15 km (10 miles) N (356 degrees) Ukiah, CA - 15 km (9 miles) W (269 degrees) Talmage, CA - 18 km (11 miles) W (275 degrees) Redwood Valley, CA - 20 km (12 miles) SW (229 degrees) Willits, CA - 29 km (18 miles) S (184 degrees) |
| Coordinates | 39 deg. 8.8 min. N (39.147N), 123 deg. 22.7 min. W (123.378W) |
| Depth | 3.96 km (2.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=17, Nph=17, Dmin=9.3 km, Rmss=0.07 sec, Erho=0.24 km, Erzz=1.48000002 km, Gp=71 degrees |
| Event ID# | nc75428292 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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