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 4:00:25 AM (PDT) on Thursday, September 11, 2025.
The magnitude 2.9 event occurred 53 km (33 miles) WSW of Ferndale, CA.
The hypocentral depth is 15 km ( 9 miles).
| Magnitude | 2.9 - duration magnitude (Md) |
| Time | Thursday, September 11, 2025 at 4:00:25 AM (PDT) Thursday, September 11, 2025 at 11:00:25 (UTC) |
| Distance from |
Ferndale, CA - 53 km (33 miles) WSW (240 degrees) Fortuna, CA - 62 km (39 miles) WSW (242 degrees) Rio Dell, CA - 62 km (39 miles) WSW (253 degrees) Hydesville, CA - 65 km (40 miles) WSW (249 degrees) Humboldt Hill, CA - 68 km (42 miles) SW (231 degrees) |
| Coordinates | 40 deg. 20.2 min. N (40.337N), 124 deg. 48.6 min. W (124.811W) |
| Depth | 14.99 km (9.30 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=59, Nph=57, Dmin=40.2 km, Rmss=0.19 sec, Erho=1.44 km, Erzz=1.15999997 km, Gp=236 degrees |
| Event ID# | nc75236307 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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