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 5:24:21 PM (PDT) on Wednesday, August 20, 2025.
The magnitude 2.7 event occurred 34 km (21 miles) SSW of Ferndale, CA.
The hypocentral depth is 11 km ( 7 miles).


Magnitude 2.7 - duration magnitude (Md)
Time Wednesday, August 20, 2025 at 5:24:21 PM (PDT)
Thursday, August 21, 2025 at 0:24:21 (UTC)
Distance from Ferndale, CA - 34 km (21 miles) SSW (203 degrees)
Rio Dell, CA - 35 km (22 miles) SW (229 degrees)
Hydesville, CA - 39 km (24 miles) SW (224 degrees)
Fortuna, CA - 41 km (25 miles) SSW (213 degrees)
Humboldt Hill, CA - 52 km (32 miles) SSW (202 degrees)
Coordinates 40 deg. 17.5 min. N (40.292N), 124 deg. 25.2 min. W (124.419W)
Depth 11.09 km (6.90 miles)
Quality Fair
Location Quality Parameters Nst=25, Nph=25, Dmin=6.5 km, Rmss=0.12 sec, Erho=1.4 km, Erzz=0.529999971 km, Gp=261 degrees
Event ID# nc75226492
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