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 5:05:12 PM (PDT) on Tuesday, September 9, 2025.
The magnitude 1.4 event occurred 25 km (16 miles) NW of Covelo, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 1.4 - duration magnitude (Md)
Time Tuesday, September 9, 2025 at 5:05:12 PM (PDT)
Wednesday, September 10, 2025 at 0:05:12 (UTC)
Distance from Covelo, CA - 25 km (16 miles) NW (321 degrees)
Laytonville, CA - 32 km (20 miles) N (8 degrees)
Redway, CA - 37 km (23 miles) ESE (117 degrees)
Brooktrails, CA - 59 km (36 miles) N (356 degrees)
Willits, CA - 63 km (39 miles) N (354 degrees)
Coordinates 39 deg. 58.2 min. N (39.969N), 123 deg. 26.1 min. W (123.435W)
Depth 1.94 km (1.20 miles)
Quality Fair
Location Quality Parameters Nst=6, Nph=6, Dmin=13.7 km, Rmss=0.11 sec, Erho=0.53 km, Erzz=8.89000034 km, Gp=138 degrees
Event ID# nc75235737
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)