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 9:34:13 PM (PDT) on Friday, August 22, 2025.
The magnitude 2.7 event occurred 57 km (35 miles) WSW of Ferndale, CA.
The hypocentral depth is 15 km ( 9 miles).


Magnitude 2.7 - duration magnitude (Md)
Time Friday, August 22, 2025 at 9:34:13 PM (PDT)
Saturday, August 23, 2025 at 4:34:13 (UTC)
Distance from Ferndale, CA - 57 km (35 miles) WSW (245 degrees)
Fortuna, CA - 66 km (41 miles) WSW (246 degrees)
Rio Dell, CA - 67 km (41 miles) WSW (256 degrees)
Hydesville, CA - 69 km (43 miles) WSW (252 degrees)
Humboldt Hill, CA - 71 km (44 miles) SW (235 degrees)
Coordinates 40 deg. 21.3 min. N (40.354N), 124 deg. 52.3 min. W (124.872W)
Depth 15.18 km (9.40 miles)
Quality Fair
Location Quality Parameters Nst=36, Nph=35, Dmin=45.6 km, Rmss=0.20 sec, Erho=2.5 km, Erzz=2.28999996 km, Gp=258 degrees
Event ID# nc75227562
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For more information, see https://earthquake.usgs.gov

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