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 5:58:20 PM (PDT) on Thursday, October 9, 2025.
The magnitude 2.1 event occurred 22 km (14 miles) NNW of Hayfork, CA.
The hypocentral depth is 27 km (17 miles).
| Magnitude | 2.1 - duration magnitude (Md) |
| Time | Thursday, October 9, 2025 at 5:58:20 PM (PDT) Friday, October 10, 2025 at 0:58:20 (UTC) |
| Distance from |
Hayfork, CA - 22 km (14 miles) NNW (335 degrees) Weaverville, CA - 29 km (18 miles) W (271 degrees) Willow Creek, CA - 37 km (23 miles) SE (129 degrees) Lewiston, CA - 41 km (25 miles) W (274 degrees) Blue Lake, CA - 61 km (38 miles) ESE (106 degrees) |
| Coordinates | 40 deg. 44.0 min. N (40.733N), 123 deg. 17.5 min. W (123.291W) |
| Depth | 26.99 km (16.80 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=33, Nph=38, Dmin=18.0 km, Rmss=0.16 sec, Erho=0.37 km, Erzz=1.03 km, Gp=43 degrees |
| Event ID# | nc75247176 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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