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 10:23:19 PM (PDT) on Thursday, July 31, 2025.
The magnitude 1.4 event occurred 3 km (2 miles) ESE of Willits, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Thursday, July 31, 2025 at 10:23:19 PM (PDT) Friday, August 1, 2025 at 5:23:19 (UTC) |
| Distance from |
Willits, CA - 3 km (2 miles) ESE (118 degrees) Brooktrails, CA - 7 km (5 miles) SE (135 degrees) Redwood Valley, CA - 18 km (11 miles) NW (325 degrees) Ukiah, CA - 29 km (18 miles) NNW (340 degrees) Talmage, CA - 32 km (20 miles) NNW (335 degrees) |
| Coordinates | 39 deg. 23.9 min. N (39.398N), 123 deg. 19.6 min. W (123.326W) |
| Depth | 1.22 km (0.80 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=20, Nph=20, Dmin=8.0 km, Rmss=0.06 sec, Erho=0.25 km, Erzz=1.69 km, Gp=81 degrees |
| Event ID# | nc75217762 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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