---> Please visit our reorganized earthquake pages at - http://quake.usgs.gov/ <---
including
new CA-NV pages at - http://quake.usgs.gov/recenteqs/latest.htm
Did you feel it? - Click Here
Shakemaps - Southern CA || Northern CA
Click on an earthquake on the above map for a zoomed-in view.
Special
maps: Long
Valley || Los Angeles
|| San
Francisco || Parkfield
Earthquake lists: big
earthquakes || all
earthquakes
Magnitude = ? for new earthquakes until a magnitude is
determined (takes 4-5 minutes).
Maps are updated within 1-5 minutes of an
earthquake or once an hour.
(Smaller earthquakes in southern California are
added after
human processing, which may take several hours.)
Map need
updating? Try reloading the page to your browser.
Brown lines are known hazardous faults and fault
zones.
How do
earthquakes get on these maps? || FAQs || Disclaimer
Earthquakes elsewhere in the U.S. and around
the world
Top page || Other sites for this
eq info || Other
earthquake sites || Credits
Northern California - USGS = U.S. Geological Survey, Menlo
Park
Northern California - UCB = University of
California, Berkeley
Southern California - USGS = U.S. Geological Survey,
Pasadena
Southern California - Caltech = California Institute of
Technology
Southern California - UCSD = University of California, San
Diego
Nevada - UNR = University of
Nevada, Reno
US and World - USGS/NEIC = National Earthquake Information
Center
Offshore = West Coast &
Alaska Tsunami Warning Center
...all members of the Advanced National Seismic System
(ANSS)
Please email suggestions and comments to webmaster@ehznorth.wr.usgs.gov