Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 5:47:28 PM (PDT) on Thursday, October 9, 2025.
The magnitude 2.4 event occurred 22 km (14 miles) NNW of Hayfork, CA.
The hypocentral depth is 29 km (18 miles).
| Magnitude | 2.4 - duration magnitude (Md) |
| Time | Thursday, October 9, 2025 at 5:47:28 PM (PDT) Friday, October 10, 2025 at 0:47:28 (UTC) |
| Distance from |
Hayfork, CA - 22 km (14 miles) NNW (334 degrees) Weaverville, CA - 30 km (19 miles) W (270 degrees) Willow Creek, CA - 36 km (23 miles) SE (129 degrees) Lewiston, CA - 41 km (26 miles) W (274 degrees) Blue Lake, CA - 60 km (37 miles) ESE (106 degrees) |
| Coordinates | 40 deg. 44.0 min. N (40.733N), 123 deg. 17.8 min. W (123.297W) |
| Depth | 28.76 km (17.90 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=49, Nph=55, Dmin=18.0 km, Rmss=0.14 sec, Erho=0.3 km, Erzz=0.77 km, Gp=41 degrees |
| Event ID# | nc75247166 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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