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 6:50:32 AM (PDT) on Thursday, September 11, 2025.
The magnitude 1.7 event occurred 11 km (7 miles) SSW of Willow Creek, CA.
The hypocentral depth is 22 km (14 miles).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Thursday, September 11, 2025 at 6:50:32 AM (PDT) Thursday, September 11, 2025 at 13:50:32 (UTC) |
| Distance from |
Willow Creek, CA - 11 km (7 miles) SSW (199 degrees) Blue Lake, CA - 26 km (16 miles) E (98 degrees) Bayside, CA - 33 km (20 miles) E (89 degrees) Arcata, CA - 35 km (22 miles) E (93 degrees) McKinleyville, CA - 38 km (23 miles) ESE (107 degrees) |
| Coordinates | 40 deg. 51.0 min. N (40.849N), 123 deg. 40.3 min. W (123.672W) |
| Depth | 22.10 km (13.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=7, Nph=7, Dmin=22.0 km, Rmss=0.09 sec, Erho=0.73 km, Erzz=1.49000001 km, Gp=99 degrees |
| Event ID# | nc75236347 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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