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 9:00:56 AM (PDT) on Thursday, September 4, 2025.
The magnitude 2.6 event occurred 67 km (42 miles) WSW of Ferndale, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 2.6 - duration magnitude (Md)
Time Thursday, September 4, 2025 at 9:00:56 AM (PDT)
Thursday, September 4, 2025 at 16:00:56 (UTC)
Distance from Ferndale, CA - 67 km (42 miles) WSW (248 degrees)
Fortuna, CA - 76 km (47 miles) WSW (249 degrees)
Rio Dell, CA - 77 km (48 miles) WSW (257 degrees)
Hydesville, CA - 79 km (49 miles) WSW (254 degrees)
Humboldt Hill, CA - 80 km (50 miles) WSW (238 degrees)
Coordinates 40 deg. 20.7 min. N (40.345N), 124 deg. 59.6 min. W (124.994W)
Depth 2.60 km (1.60 miles)
Quality Poor
Location Quality Parameters Nst=17, Nph=17, Dmin=55.7 km, Rmss=0.25 sec, Erho=10.37 km, Erzz=12.9200001 km, Gp=306 degrees
Event ID# nc75233047
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For more information, see https://earthquake.usgs.gov

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