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 minor earthquake occurred at 8:57:29 PM (PDT) on Monday, July 21, 2025.
The magnitude 3.0 event occurred 69 km (43 miles) WSW of Ferndale, CA.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 3.0 - duration magnitude (Md)
Time Monday, July 21, 2025 at 8:57:29 PM (PDT)
Tuesday, July 22, 2025 at 3:57:29 (UTC)
Distance from Ferndale, CA - 69 km (43 miles) WSW (252 degrees)
Fortuna, CA - 78 km (48 miles) WSW (252 degrees)
Rio Dell, CA - 80 km (49 miles) W (261 degrees)
Humboldt Hill, CA - 81 km (50 miles) WSW (242 degrees)
Hydesville, CA - 81 km (51 miles) WSW (257 degrees)
Coordinates 40 deg. 22.7 min. N (40.379N), 125 deg. 2.0 min. W (125.033W)
Depth 4.84 km (3.00 miles)
Quality Poor
Location Quality Parameters Nst=53, Nph=53, Dmin=59.5 km, Rmss=0.42 sec, Erho=5.29 km, Erzz=6.59000015 km, Gp=272 degrees
Event ID# nc75213217
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