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 10:44:48 AM (PST) on Thursday, December 11, 2025.
The magnitude 2.2 event occurred 39 km (24 miles) SW of Ferndale, CA.
The hypocentral depth is 11 km ( 7 miles).
| Magnitude | 2.2 - duration magnitude (Md) |
| Time | Thursday, December 11, 2025 at 10:44:48 AM (PST) Thursday, December 11, 2025 at 18:44:48 (UTC) |
| Distance from |
Ferndale, CA - 39 km (24 miles) SW (223 degrees) Rio Dell, CA - 44 km (28 miles) WSW (243 degrees) Fortuna, CA - 47 km (29 miles) SW (229 degrees) Hydesville, CA - 48 km (30 miles) WSW (238 degrees) Humboldt Hill, CA - 56 km (35 miles) SW (216 degrees) |
| Coordinates | 40 deg. 19.2 min. N (40.319N), 124 deg. 34.4 min. W (124.574W) |
| Depth | 10.74 km (6.70 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=19.9 km, Rmss=0.09 sec, Erho=3.51 km, Erzz=1.07000005 km, Gp=308 degrees |
| Event ID# | nc75278341 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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