MEMO-032911-A
It seems that it is the most updated (as of 28/March) list of Shelters
(address, number of victims, sometimes a phone number)
Iwate
http://realestate.yahoo.co.jp/crisis/03/
MIyagi
http://www.pref.miyagi.jp.cache.yimg.jp/hinanjo.htm
Fukushima
http://www.pref.fukushima.jp/j/hinanjolist0328.pdf
–Rescue Japan Staff