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 5:30:52 AM (PDT) on Wednesday, September 10, 2025.
The magnitude 1.4 event occurred 33 km (20 miles) SSW of Ferndale, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Wednesday, September 10, 2025 at 5:30:52 AM (PDT) Wednesday, September 10, 2025 at 12:30:52 (UTC) |
| Distance from |
Ferndale, CA - 33 km (20 miles) SSW (200 degrees) Rio Dell, CA - 33 km (21 miles) SW (228 degrees) Hydesville, CA - 38 km (23 miles) SW (223 degrees) Fortuna, CA - 39 km (24 miles) SSW (212 degrees) Humboldt Hill, CA - 51 km (31 miles) SSW (200 degrees) |
| Coordinates | 40 deg. 18.0 min. N (40.299N), 124 deg. 23.9 min. W (124.398W) |
| Depth | 9.35 km (5.80 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=16, Nph=16, Dmin=4.9 km, Rmss=0.09 sec, Erho=1.53 km, Erzz=0.50999999 km, Gp=270 degrees |
| Event ID# | nc75235942 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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