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 4:00:18 AM (PDT) on Wednesday, September 10, 2025.
The magnitude 2.5 event occurred 39 km (24 miles) SW of Ferndale, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 2.5 - duration magnitude (Md) |
| Time | Wednesday, September 10, 2025 at 4:00:18 AM (PDT) Wednesday, September 10, 2025 at 11:00:18 (UTC) |
| Distance from |
Ferndale, CA - 39 km (24 miles) SW (214 degrees) Rio Dell, CA - 43 km (27 miles) SW (236 degrees) Fortuna, CA - 47 km (29 miles) SW (222 degrees) Hydesville, CA - 47 km (29 miles) SW (231 degrees) Humboldt Hill, CA - 57 km (35 miles) SSW (210 degrees) |
| Coordinates | 40 deg. 17.1 min. N (40.285N), 124 deg. 31.5 min. W (124.525W) |
| Depth | 8.43 km (5.20 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=25, Nph=23, Dmin=15.6 km, Rmss=0.12 sec, Erho=2.14 km, Erzz=0.980000019 km, Gp=276 degrees |
| Event ID# | nc75235912 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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