Safety Tips for Travelers －In an emergency, please visit the following website to get necessary information－
To ensure safe travel for foreign tourists visiting Japan, Japan National Tourism Organization provides crucial information including weather warnings and traffic information on their website. It will be helpful in case of a terrible disaster as well.
For computers ： http://www.jnto.go.jp/safety-tips/pc/index.html
For smartphones ： http://www.jnto.go.jp/safety-tips/mobile