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 3:28:26 AM (PDT) on Sunday, August 23, 2026.
The magnitude 1.7 event occurred 34 km (21 miles) NE (41 degrees) of Redwood Valley, CA.
The hypocentral depth is 12 km ( 7 miles).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Sunday, August 23, 2026 at 3:28:26 AM (PDT) Sunday, August 23, 2026 at 10:28:26 (UTC) |
| Distance from |
Redwood Valley, CA - 34 km (21 miles) NE (41 degrees) Willits, CA - 36 km (22 miles) ENE (75 degrees) Upper Lake, CA - 37 km (23 miles) N (355 degrees) Brooktrails, CA - 38 km (24 miles) E (82 degrees) Nice, CA - 42 km (26 miles) NNW (348 degrees) |
| Coordinates | 39 deg. 29.6 min. N (39.493N), 122 deg. 56.9 min. W (122.948W) |
| Depth | 11.51 km (7.20 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=12, Nph=11, Dmin=2.5 km, Rmss=0.13 sec, Erho=0.51 km, Erzz=1.02999997 km, Gp=101 degrees |
| Event ID# | nc75423552 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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