Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California


Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A minor earthquake occurred at 11:49:45 PM (PST) on Monday, February 17, 2025.
The magnitude 3.1 event occurred 77 km (48 miles) WSW of Ferndale, CA.
The hypocentral depth is 10 km ( 6 miles).


Magnitude 3.1 - local magnitude (Ml)
Time Monday, February 17, 2025 at 11:49:45 PM (PST)
Tuesday, February 18, 2025 at 7:49:45 (UTC)
Distance from Ferndale, CA - 77 km (48 miles) WSW (258 degrees)
Fortuna, CA - 87 km (54 miles) WSW (258 degrees)
Humboldt Hill, CA - 88 km (55 miles) WSW (248 degrees)
Rio Dell, CA - 89 km (55 miles) W (265 degrees)
Bayview, CA - 90 km (56 miles) WSW (245 degrees)
Coordinates 40 deg. 25.9 min. N (40.431N), 125 deg. 9.4 min. W (125.157W)
Depth 10.00 km (6.20 miles)
Quality Poor
Location Quality Parameters Nst=76, Nph=78, Dmin=69.2 km, Rmss=0.22 sec, Erho=1.51 km, Erzz=31.61 km, Gp=257 degrees
Event ID# nc75135537
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