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 8:23:17 AM (PDT) on Thursday, August 7, 2025.
The magnitude 1.8 event occurred 9 km (6 miles) NNW of Redwood Valley, CA.
The hypocentral depth is 4 km ( 2 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Thursday, August 7, 2025 at 8:23:17 AM (PDT) Thursday, August 7, 2025 at 15:23:17 (UTC) |
| Distance from |
Redwood Valley, CA - 9 km (6 miles) NNW (333 degrees) Willits, CA - 12 km (8 miles) SE (132 degrees) Brooktrails, CA - 17 km (10 miles) SE (136 degrees) Ukiah, CA - 21 km (13 miles) N (350 degrees) Talmage, CA - 24 km (15 miles) NNW (343 degrees) |
| Coordinates | 39 deg. 20.2 min. N (39.337N), 123 deg. 15.0 min. W (123.251W) |
| Depth | 3.62 km (2.20 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=18, Nph=18, Dmin=11.3 km, Rmss=0.08 sec, Erho=0.23 km, Erzz=2.16000009 km, Gp=77 degrees |
| Event ID# | nc75220392 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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