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 12:25:27 PM (PST) on Saturday, November 15, 2025.
The magnitude 1.7 event occurred 7 km (4 miles) SSW of Fortuna, CA.
The hypocentral depth is 11 km ( 7 miles).


Magnitude 1.7 - duration magnitude (Md)
Time Saturday, November 15, 2025 at 12:25:27 PM (PST)
Saturday, November 15, 2025 at 20:25:27 (UTC)
Distance from Fortuna, CA - 7 km (4 miles) SSW (203 degrees)
Ferndale, CA - 7 km (5 miles) ESE (119 degrees)
Rio Dell, CA - 8 km (5 miles) NW (306 degrees)
Hydesville, CA - 8 km (5 miles) W (267 degrees)
Humboldt Hill, CA - 20 km (13 miles) S (180 degrees)
Coordinates 40 deg. 32.6 min. N (40.544N), 124 deg. 11.3 min. W (124.188W)
Depth 11.48 km (7.10 miles)
Quality Good
Location Quality Parameters Nst=17, Nph=17, Dmin=2.1 km, Rmss=0.09 sec, Erho=0.66 km, Erzz=0.419999987 km, Gp=130 degrees
Event ID# nc75263761
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