Figured this would be a good place to post this. If any of you are looking to find out information about friends or loved ones, you can use this link
http://japan.person-finder.appspot.com/?lang=en. I searched Ayu, said she is alive. Which is obvious, but thought I'd try it out. If you have information about someone too, you can report their whereabouts, status if they're okay or not, etc.