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 7:15:07 AM (PDT) on Thursday, August 14, 2025.
The magnitude 1.6 event occurred 28 km (17 miles) SW of Ferndale, CA.
The hypocentral depth is 18 km (11 miles).


Magnitude 1.6 - duration magnitude (Md)
Time Thursday, August 14, 2025 at 7:15:07 AM (PDT)
Thursday, August 14, 2025 at 14:15:07 (UTC)
Distance from Ferndale, CA - 28 km (17 miles) SW (216 degrees)
Rio Dell, CA - 33 km (20 miles) WSW (244 degrees)
Fortuna, CA - 36 km (22 miles) SW (225 degrees)
Hydesville, CA - 36 km (22 miles) WSW (237 degrees)
Humboldt Hill, CA - 45 km (28 miles) SSW (210 degrees)
Coordinates 40 deg. 22.3 min. N (40.371N), 124 deg. 27.4 min. W (124.457W)
Depth 18.01 km (11.20 miles)
Quality Fair
Location Quality Parameters Nst=25, Nph=30, Dmin=11.4 km, Rmss=0.09 sec, Erho=0.66 km, Erzz=0.28 km, Gp=277 degrees
Event ID# nc75223512
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