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 10:43:14 PM (PDT) on Wednesday, September 10, 2025.
The magnitude 2.5 event occurred 42 km (26 miles) SW of Ferndale, CA.
The hypocentral depth is 18 km (11 miles).
| Magnitude | 2.5 - duration magnitude (Md) |
| Time | Wednesday, September 10, 2025 at 10:43:14 PM (PDT) Thursday, September 11, 2025 at 5:43:14 (UTC) |
| Distance from |
Ferndale, CA - 42 km (26 miles) SW (222 degrees) Rio Dell, CA - 47 km (29 miles) WSW (241 degrees) Fortuna, CA - 50 km (31 miles) SW (228 degrees) Hydesville, CA - 51 km (31 miles) SW (236 degrees) Humboldt Hill, CA - 59 km (37 miles) SW (216 degrees) |
| Coordinates | 40 deg. 17.7 min. N (40.295N), 124 deg. 35.6 min. W (124.594W) |
| Depth | 17.71 km (11.00 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=19, Nph=19, Dmin=24.3 km, Rmss=0.09 sec, Erho=2.61 km, Erzz=1.13999999 km, Gp=285 degrees |
| Event ID# | nc75236227 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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