http://www.cnn.com/2003/WORLD/asiapcf/02/09/nkorea.japan.reut/index.html
Should a missile launch take place, the government would then consider unspecified sanctions against North Korea, the Yomiuri added.
Now I feel safe.

The WaiWai has a better plan:
What to do When Jong Drops his Dong
http://mdn.mainichi.co.jp/waiwai/0301/030130nuke.html
"If there's only a single warhead, they'll probably go for Tokyo. If there're more, they'll go for internationally famous cities like Yokohama, Kobe, Fukuoka and Sapporo. Niigata has been pretty good to that mob (a ferry travels between the Sea of Japan city and North Korea), so that's probably the place to be," he says.
GJ