With the increase in the number of foreign residents in Japan, information from the Japanese government on disaster prevention and the weather is now available in many languages.
Brochures are now available in English and there are plans to issue brochures in the following languages:
Chinese (Simplified), Chinese (Traditional), Korean, Spanish, Portugese, Vietnamese, Thai, Indonesian, Tagalog, Nepalese, Khmer, Burmese and Mongolian.
http://www.bousai.go.jp/oukyu/hinanjouhou/r3_hinanjouhou_guideline/evacuation_en.html

Do stay tuned for more information!