We could not find an option to erase your account. Perhaps try contacting them: http://www.seomoz.org/
URLS:
http://www.seomoz.org/
Please note that AccountKiller.com is not associated with the business listed on this page. AccountKiller provides easy-to-understand instructions and guides on how to cancel charges and relationships from the list of businesses on our site, we have no affiliation with these businesses.