Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #0: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.
A micro earthquake occurred at 6:52:53 PM (PDT) on Sunday, September 21, 2025.
The magnitude 2.4 event occurred 30 km (19 miles) ESE of Willow Creek, CA.
The hypocentral depth is 27 km (17 miles).
| Magnitude | 2.4 - duration magnitude (Md) |
| Time | Sunday, September 21, 2025 at 6:52:53 PM (PDT) Monday, September 22, 2025 at 1:52:53 (UTC) |
| Distance from |
Willow Creek, CA - 30 km (19 miles) ESE (112 degrees) Weaverville, CA - 32 km (20 miles) WNW (292 degrees) Hayfork, CA - 33 km (21 miles) NNW (343 degrees) Lewiston, CA - 44 km (27 miles) WNW (289 degrees) Blue Lake, CA - 58 km (36 miles) E (95 degrees) |
| Coordinates | 40 deg. 50.3 min. N (40.838N), 123 deg. 17.9 min. W (123.299W) |
| Depth | 27.27 km (16.90 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=12, Nph=12, Dmin=7.6 km, Rmss=0.09 sec, Erho=0.58 km, Erzz=1.09000003 km, Gp=86 degrees |
| Event ID# | nc75240397 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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