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 5:59:01 AM (PDT) on Sunday, October 19, 2025.
The magnitude 1.6 event occurred 35 km (22 miles) SSW of Ferndale, CA.
The hypocentral depth is 11 km ( 7 miles).


Magnitude 1.6 - duration magnitude (Md)
Time Sunday, October 19, 2025 at 5:59:01 AM (PDT)
Sunday, October 19, 2025 at 12:59:01 (UTC)
Distance from Ferndale, CA - 35 km (22 miles) SSW (208 degrees)
Rio Dell, CA - 37 km (23 miles) SW (234 degrees)
Hydesville, CA - 41 km (25 miles) SW (228 degrees)
Fortuna, CA - 42 km (26 miles) SW (218 degrees)
Humboldt Hill, CA - 52 km (33 miles) SSW (206 degrees)
Coordinates 40 deg. 18.1 min. N (40.302N), 124 deg. 27.5 min. W (124.459W)
Depth 10.77 km (6.70 miles)
Quality Poor
Location Quality Parameters Nst=8, Nph=8, Dmin=10.0 km, Rmss=0.04 sec, Erho=2.84 km, Erzz=1.40999997 km, Gp=281 degrees
Event ID# nc75251626
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