[Nyororin]

Because in many cases the foreign media has been treating this as if the entirety of Japan has been devastated.

Anyway though - if you are looking for information about those people, I`d start with trying to figure out where they live now.
If they stayed near where you lived, then the chances are that they were not affected. But most likely they`re married now (if they weren`t then) and it would be virtually impossible to track them down.