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 1:25:59 AM (PDT) on Sunday, August 31, 2025.
The magnitude 2.8 event occurred 58 km (36 miles) WSW of Ferndale, CA.
The hypocentral depth is 0.07 km (0.00 miles).


Magnitude 2.8 - duration magnitude (Md)
Time Sunday, August 31, 2025 at 1:25:59 AM (PDT)
Sunday, August 31, 2025 at 8:25:59 (UTC)
Distance from Ferndale, CA - 58 km (36 miles) WSW (240 degrees)
Fortuna, CA - 67 km (42 miles) WSW (242 degrees)
Rio Dell, CA - 67 km (42 miles) WSW (253 degrees)
Hydesville, CA - 70 km (43 miles) WSW (249 degrees)
Humboldt Hill, CA - 73 km (45 miles) SW (231 degrees)
Coordinates 40 deg. 19.0 min. N (40.316N), 124 deg. 51.7 min. W (124.862W)
Depth 0.07 km (0.00 miles)
Quality Poor
Location Quality Parameters Nst=24, Nph=24, Dmin=44.3 km, Rmss=0.27 sec, Erho=6.32 km, Erzz=10.9300003 km, Gp=292 degrees
Event ID# nc75231127
Additional Information Map

For more information, see https://earthquake.usgs.gov

[ Index map || Big earthquake list || All earthquake list || Glossary of terms || Top page ]
[ Did you feel it? || ShakeMaps || Relative2Me ]
[ Data Sources ]

Special maps
Long Valley || Los Angeles || San Francisco

Data Sources
US and World - USGS/NEIC = National Earthquake Information Center
Northern California - UCB = University of California, Berkeley
Southern California - Caltech = California Institute of Technology
Nevada - UNR = University of Nevada, Reno
Offshore = West Coast & Alaska Tsunami Warning Center
...all members of the Advanced National Seismic System (ANSS)