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 9:16:24 PM (PDT) on Tuesday, October 21, 2025.
The magnitude 2.6 event occurred 50 km (31 miles) SW of Ferndale, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 2.6 - duration magnitude (Md) |
| Time | Tuesday, October 21, 2025 at 9:16:24 PM (PDT) Wednesday, October 22, 2025 at 4:16:24 (UTC) |
| Distance from |
Ferndale, CA - 50 km (31 miles) SW (220 degrees) Rio Dell, CA - 54 km (34 miles) WSW (237 degrees) Fortuna, CA - 58 km (36 miles) SW (225 degrees) Hydesville, CA - 58 km (36 miles) SW (233 degrees) Humboldt Hill, CA - 67 km (42 miles) SW (215 degrees) |
| Coordinates | 40 deg. 13.9 min. N (40.232N), 124 deg. 38.4 min. W (124.640W) |
| Depth | 2.79 km (1.70 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=12, Nph=12, Dmin=26.1 km, Rmss=0.16 sec, Erho=7.62 km, Erzz=7.1500001 km, Gp=317 degrees |
| Event ID# | nc75252691 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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