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 0:50:25 AM (PDT) on Monday, September 22, 2025.
The magnitude 2.4 event occurred 34 km (21 miles) SSW of Ferndale, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 2.4 - duration magnitude (Md) |
| Time | Monday, September 22, 2025 at 0:50:25 AM (PDT) Monday, September 22, 2025 at 7:50:25 (UTC) |
| Distance from |
Ferndale, CA - 34 km (21 miles) SSW (205 degrees) Rio Dell, CA - 36 km (22 miles) SW (231 degrees) Hydesville, CA - 40 km (25 miles) SW (226 degrees) Fortuna, CA - 41 km (25 miles) SW (215 degrees) Humboldt Hill, CA - 52 km (32 miles) SSW (204 degrees) |
| Coordinates | 40 deg. 17.9 min. N (40.298N), 124 deg. 26.2 min. W (124.437W) |
| Depth | 10.12 km (6.30 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=21, Nph=20, Dmin=8.1 km, Rmss=0.10 sec, Erho=1.56 km, Erzz=0.519999981 km, Gp=264 degrees |
| Event ID# | nc75240467 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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