Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

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


Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 1:36:28 AM (PDT) on Wednesday, September 23, 2026.
The magnitude 1.4 event occurred 35 km (21 miles) SSW of Ferndale, CA.
The hypocentral depth is 10 km ( 6 miles).


Magnitude 1.4 - duration magnitude (Md)
Time Wednesday, September 23, 2026 at 1:36:28 AM (PDT)
Wednesday, September 23, 2026 at 8:36:28 (UTC)
Distance from Ferndale, CA - 35 km (21 miles) SSW (210 degrees)
Rio Dell, CA - 37 km (23 miles) SW (235 degrees)
Hydesville, CA - 41 km (26 miles) SW (230 degrees)
Fortuna, CA - 42 km (26 miles) SW (219 degrees)
Humboldt Hill, CA - 52 km (32 miles) SSW (207 degrees)
Coordinates 40 deg. 18.4 min. N (40.307N), 124 deg. 28.1 min. W (124.468W)
Depth 9.68 km (6.00 miles)
Quality Fair
Location Quality Parameters Nst=13, Nph=19, Dmin=10.8 km, Rmss=0.11 sec, Erho=0.63 km, Erzz=0.55 km, Gp=270 degrees
Event ID# nc75440257
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