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 1:52:51 PM (PST) on Friday, November 21, 2025.
The magnitude 1.7 event occurred 30 km (19 miles) SSW of Rio Dell, CA.
The hypocentral depth is 13 km ( 8 miles).


Magnitude 1.7 - duration magnitude (Md)
Time Friday, November 21, 2025 at 1:52:51 PM (PST)
Friday, November 21, 2025 at 21:52:51 (UTC)
Distance from Rio Dell, CA - 30 km (19 miles) SSW (194 degrees)
Redway, CA - 34 km (21 miles) WNW (293 degrees)
Hydesville, CA - 35 km (22 miles) SSW (193 degrees)
Ferndale, CA - 38 km (24 miles) S (170 degrees)
Fortuna, CA - 40 km (25 miles) S (184 degrees)
Coordinates 40 deg. 14.3 min. N (40.239N), 124 deg. 11.4 min. W (124.189W)
Depth 13.29 km (8.30 miles)
Quality Good
Location Quality Parameters Nst=8, Nph=8, Dmin=2.1 km, Rmss=0.09 sec, Erho=0.85 km, Erzz=1.59000003 km, Gp=151 degrees
Event ID# nc75267376
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)