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 4:52:51 PM (PDT) on Friday, August 28, 2026.
The magnitude 1.9 event occurred 9 km (5 miles) NW of Redwood Valley, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.9 - duration magnitude (Md) |
| Time | Friday, August 28, 2026 at 4:52:51 PM (PDT) Friday, August 28, 2026 at 23:52:51 (UTC) |
| Distance from |
Redwood Valley, CA - 9 km (5 miles) NW (321 degrees) Willits, CA - 12 km (7 miles) SE (141 degrees) Brooktrails, CA - 17 km (10 miles) SE (142 degrees) Ukiah, CA - 20 km (13 miles) NNW (346 degrees) Talmage, CA - 23 km (14 miles) NNW (338 degrees) |
| Coordinates | 39 deg. 19.5 min. N (39.326N), 123 deg. 16.1 min. W (123.268W) |
| Depth | 6.45 km (4.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=17, Nph=16, Dmin=6.5 km, Rmss=0.05 sec, Erho=0.22 km, Erzz=0.689999998 km, Gp=86 degrees |
| Event ID# | nc75426562 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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