Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 11:33:54 PM (PDT) on Monday, July 28, 2025.
The magnitude 1.2 event occurred 11 km (7 miles) NNW of Redwood Valley, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.2 - duration magnitude (Md) |
| Time | Monday, July 28, 2025 at 11:33:54 PM (PDT) Tuesday, July 29, 2025 at 6:33:54 (UTC) |
| Distance from |
Redwood Valley, CA - 11 km (7 miles) NNW (343 degrees) Willits, CA - 12 km (7 miles) ESE (121 degrees) Brooktrails, CA - 16 km (10 miles) SE (128 degrees) Ukiah, CA - 23 km (14 miles) N (353 degrees) Talmage, CA - 26 km (16 miles) NNW (346 degrees) |
| Coordinates | 39 deg. 21.3 min. N (39.356N), 123 deg. 14.4 min. W (123.241W) |
| Depth | 6.33 km (3.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=22, Nph=25, Dmin=6.8 km, Rmss=0.09 sec, Erho=0.21 km, Erzz=0.56 km, Gp=50 degrees |
| Event ID# | nc75216442 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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