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 minor earthquake occurred at 6:22:26 AM (PDT) on Monday, September 8, 2025.
The magnitude 3.1 event occurred 43 km (27 miles) SW of Ferndale, CA.
The hypocentral depth is 4 km ( 2 miles).
| Magnitude | 3.1 - duration magnitude (Md) |
| Time | Monday, September 8, 2025 at 6:22:26 AM (PDT) Monday, September 8, 2025 at 13:22:26 (UTC) |
| Distance from |
Ferndale, CA - 43 km (27 miles) SW (221 degrees) Rio Dell, CA - 48 km (30 miles) WSW (241 degrees) Fortuna, CA - 51 km (32 miles) SW (227 degrees) Hydesville, CA - 51 km (32 miles) SW (236 degrees) Humboldt Hill, CA - 60 km (37 miles) SW (215 degrees) |
| Coordinates | 40 deg. 17.2 min. N (40.287N), 124 deg. 35.8 min. W (124.597W) |
| Depth | 3.68 km (2.30 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=38, Nph=35, Dmin=21.6 km, Rmss=0.26 sec, Erho=3.88 km, Erzz=3.46000004 km, Gp=277 degrees |
| Event ID# | nc75234907 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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