what is fault?
An earthquake fault line?
Read lots --
http://www.google.com/search?q=earthquake+fault&oq=earthquake+fault&aqs=chrome..69i57.3102j0j7&sourceid=chrome&es_sm=119&ie=UTF-8
Read lots --
http://www.google.com/search?q=earthquake+fault&oq=earthquake+fault&aqs=chrome..69i57.3102j0j7&sourceid=chrome&es_sm=119&ie=UTF-8