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 8:28:52 PM (PDT) on Sunday, September 7, 2025.
The magnitude 2.4 event occurred 62 km (39 miles) WSW of Ferndale, CA.
The hypocentral depth is 11 km ( 7 miles).


Magnitude 2.4 - duration magnitude (Md)
Time Sunday, September 7, 2025 at 8:28:52 PM (PDT)
Monday, September 8, 2025 at 3:28:52 (UTC)
Distance from Ferndale, CA - 62 km (39 miles) WSW (244 degrees)
Fortuna, CA - 71 km (44 miles) WSW (245 degrees)
Rio Dell, CA - 72 km (45 miles) WSW (255 degrees)
Hydesville, CA - 74 km (46 miles) WSW (251 degrees)
Humboldt Hill, CA - 76 km (47 miles) SW (235 degrees)
Coordinates 40 deg. 19.7 min. N (40.329N), 124 deg. 55.5 min. W (124.924W)
Depth 11.43 km (7.10 miles)
Quality Poor
Location Quality Parameters Nst=23, Nph=23, Dmin=49.7 km, Rmss=0.25 sec, Erho=4.7 km, Erzz=4.46000004 km, Gp=268 degrees
Event ID# nc75234787
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