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 3:53:47 AM (PDT) on Friday, September 4, 2026.
The magnitude 1.6 event occurred 20 km (12 miles) SE of Boonville, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Friday, September 4, 2026 at 3:53:47 AM (PDT) Friday, September 4, 2026 at 10:53:47 (UTC) |
| Distance from |
Boonville, CA - 20 km (12 miles) SE (143 degrees) Cloverdale, CA - 20 km (12 miles) WNW (291 degrees) Sea Ranch, CA - 26 km (16 miles) NE (49 degrees) Talmage, CA - 30 km (19 miles) S (190 degrees) Ukiah, CA - 31 km (19 miles) S (183 degrees) |
| Coordinates | 38 deg. 52.1 min. N (38.868N), 123 deg. 13.8 min. W (123.230W) |
| Depth | 1.55 km (1.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=0.0 km, Rmss=0.08 sec, Erho=0.34 km, Erzz=0.779999971 km, Gp=102 degrees |
| Event ID# | nc75429612 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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