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 9:04:40 AM (PDT) on Monday, October 27, 2025.
The magnitude 2.6 event occurred 37 km (23 miles) SW of Ferndale, CA.
The hypocentral depth is 11 km ( 6 miles).


Magnitude 2.6 - duration magnitude (Md)
Time Monday, October 27, 2025 at 9:04:40 AM (PDT)
Monday, October 27, 2025 at 16:04:40 (UTC)
Distance from Ferndale, CA - 37 km (23 miles) SW (214 degrees)
Rio Dell, CA - 40 km (25 miles) WSW (237 degrees)
Fortuna, CA - 44 km (27 miles) SW (222 degrees)
Hydesville, CA - 44 km (27 miles) SW (232 degrees)
Humboldt Hill, CA - 54 km (34 miles) SSW (209 degrees)
Coordinates 40 deg. 18.0 min. N (40.300N), 124 deg. 30.2 min. W (124.504W)
Depth 10.53 km (6.50 miles)
Quality Poor
Location Quality Parameters Nst=17, Nph=16, Dmin=13.8 km, Rmss=0.17 sec, Erho=3.2 km, Erzz=0.910000026 km, Gp=275 degrees
Event ID# nc75255366
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