YOUR BLOGS ARE NOT BEING DEACTIVATED, NOBODY IS HACKING ANYBODY, SOMETHING IS UP WITH TUMBLR
YOUR ACCOUNTS ARE BEING SUSPENDED. IF YOU HAVE BEEN SUSPENDED PLEASE CHECK THE EMAIL YOU USED TO REGISTER AND SEE IF YOU GOT AN EMAIL FROM STAFF
IF YOU DIDN’T, EMAIL THEM AND INFORM THEM.
I’M 99% SURE THEY’LL UNSUSPEND THE ACCOUNT FOR YOU (UNLESS YOU HAVE HOARDED URLS OR SOMETHING)