The typhoon hit Japan's northeast coast, killing at least 26 people in areas including the Chiba, Gunma, Kanagawa and Fukushima prefectures near Tokyo, according to local media. Some 150 people were injured.
Many areas throughout the region have been flooded, with waters reaching five meters in depth. Around 260 people are trapped in a nursing home in the city of Kawagoe City, some 50km northwest of Tokyo, with rescuers using boats to save them.
A railway bridge over the Chikuma River in Nagano Prefecture collapsed on Sunday morning.