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 minor earthquake occurred at 10:58:11 AM (PDT) on Thursday, October 16, 2025.
The magnitude 3.1 event occurred 23 km (15 miles) NNW of Hayfork, CA.
The hypocentral depth is 29 km (18 miles).
| Magnitude | 3.1 - local magnitude (Ml) |
| Time | Thursday, October 16, 2025 at 10:58:11 AM (PDT) Thursday, October 16, 2025 at 17:58:11 (UTC) |
| Distance from |
Hayfork, CA - 23 km (15 miles) NNW (344 degrees) Weaverville, CA - 27 km (17 miles) W (276 degrees) Willow Creek, CA - 37 km (23 miles) ESE (123 degrees) Lewiston, CA - 38 km (24 miles) W (278 degrees) Blue Lake, CA - 63 km (39 miles) ESE (103 degrees) |
| Coordinates | 40 deg. 45.4 min. N (40.757N), 123 deg. 15.6 min. W (123.259W) |
| Depth | 29.21 km (18.20 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=46, Nph=51, Dmin=19.6 km, Rmss=0.90 sec, Erho=2.01 km, Erzz=8.424 km, Gp=20 degrees |
| Event ID# | nc75250286 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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