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 event has been reviewed by a seismologist.

A micro earthquake occurred at 0:22:00 AM (PST) on Monday, December 22, 2025.
The magnitude 2.9 event occurred 83 km (52 miles) W of Ferndale, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 2.9 - local magnitude (Ml)
Time Monday, December 22, 2025 at 0:22:00 AM (PST)
Monday, December 22, 2025 at 8:22:00 (UTC)
Distance from Ferndale, CA - 83 km (52 miles) W (259 degrees)
Fortuna, CA - 93 km (58 miles) W (259 degrees)
Humboldt Hill, CA - 94 km (58 miles) WSW (250 degrees)
Rio Dell, CA - 95 km (59 miles) W (266 degrees)
Bayview, CA - 96 km (60 miles) WSW (247 degrees)
Coordinates 40 deg. 26.1 min. N (40.435N), 125 deg. 13.9 min. W (125.232W)
Depth 1.94 km (1.20 miles)
Quality Poor
Location Quality Parameters Nst=52, Nph=58, Dmin=94.4 km, Rmss=0.57 sec, Erho=4.19 km, Erzz=1.942 km, Gp=250 degrees
Event ID# nc75284631
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