Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California


Version #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 11:56:23 PM (PDT) on Saturday, September 6, 2025.
The magnitude 2.6 event occurred 65 km (41 miles) WSW of Ferndale, CA.
The hypocentral depth is 16 km (10 miles).


Magnitude 2.6 - duration magnitude (Md)
Time Saturday, September 6, 2025 at 11:56:23 PM (PDT)
Sunday, September 7, 2025 at 6:56:23 (UTC)
Distance from Ferndale, CA - 65 km (41 miles) WSW (252 degrees)
Fortuna, CA - 75 km (46 miles) WSW (252 degrees)
Rio Dell, CA - 76 km (47 miles) W (261 degrees)
Humboldt Hill, CA - 78 km (48 miles) WSW (241 degrees)
Hydesville, CA - 78 km (49 miles) WSW (257 degrees)
Coordinates 40 deg. 23.3 min. N (40.388N), 124 deg. 59.8 min. W (124.996W)
Depth 15.72 km (9.80 miles)
Quality Fair
Location Quality Parameters Nst=60, Nph=66, Dmin=56.6 km, Rmss=0.26 sec, Erho=0.72 km, Erzz=1.4 km, Gp=263 degrees
Event ID# nc75234352
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