Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 4:12:02 PM (PST) on Monday, December 1, 2025.
The magnitude 1.6 event occurred 4 km (2 miles) E (88 degrees) of Ferndale, CA.
The hypocentral depth is 19 km (12 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Monday, December 1, 2025 at 4:12:02 PM (PST) Tuesday, December 2, 2025 at 0:12:02 (UTC) |
| Distance from |
Ferndale, CA - 4 km (2 miles) E (88 degrees) Fortuna, CA - 6 km (4 miles) WSW (246 degrees) Hydesville, CA - 11 km (7 miles) WNW (288 degrees) Rio Dell, CA - 13 km (8 miles) NW (313 degrees) Humboldt Hill, CA - 17 km (10 miles) S (188 degrees) |
| Coordinates | 40 deg. 34.7 min. N (40.578N), 124 deg. 13.1 min. W (124.219W) |
| Depth | 19.31 km (12.00 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=32, Nph=44, Dmin=4.4 km, Rmss=0.16 sec, Erho=0.36 km, Erzz=0.42 km, Gp=187 degrees |
| Event ID# | nc75272841 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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