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 4:39:07 AM (PDT) on Saturday, November 1, 2025.
The magnitude 1.5 event occurred 31 km (19 miles) SW of Rio Dell, CA.
The hypocentral depth is 7 km ( 5 miles).
| Magnitude | 1.5 - duration magnitude (Md) |
| Time | Saturday, November 1, 2025 at 4:39:07 AM (PDT) Saturday, November 1, 2025 at 11:39:07 (UTC) |
| Distance from |
Rio Dell, CA - 31 km (19 miles) SW (225 degrees) Ferndale, CA - 32 km (20 miles) SSW (195 degrees) Hydesville, CA - 36 km (22 miles) SW (219 degrees) Fortuna, CA - 37 km (23 miles) SSW (208 degrees) Humboldt Hill, CA - 50 km (31 miles) SSW (197 degrees) |
| Coordinates | 40 deg. 18.0 min. N (40.300N), 124 deg. 21.8 min. W (124.364W) |
| Depth | 7.45 km (4.60 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=2.2 km, Rmss=0.05 sec, Erho=1.64 km, Erzz=1 km, Gp=289 degrees |
| Event ID# | nc75257516 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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