Multiple fatal landslides from Typhoon Dujuan in Japan

A debris flow on Highway 34 near Kyonan Hota IC in Chiba. Image tweeted by James Reynolds. In Japan, record breaking rainfall associated with Typhoon Dujian has triggered at least six fatal landslides in the Kanto region. Over the last 24 hours or so, rainfall associated Typhoon Dujuan has swept across the Kanto Region in Japan, bringing exceptional (and in some cases record breaking) rainfall. There are multiple reports of landslides, some of which have been fatal. The rainfall associated with typhoons can be hard to visualise. In Oshima, on the Izu islands, 832 mm were recorded in 48 hours – that is more than the entire annual rainfall of the city (Nottingham) in which I work. Totals exceeding 400 mm in 48 hours have been recorded widely across parts of Kanto. The Japan Times has a report that describes a series of fatal landslide events. These include: Yokosuka, Kanagawa Prefecture: one fatality Yokosuka, Kanagawa Prefecture: two people missing Miura, Kanagawa Prefecture: one person missing Miura, Kanagawa Prefecture: one person missing Sodegaura, Chiba Prefecture: “a 51-year-old worker died after he and the heavy machinery he was operating fell into a bamboo grove while he was removing mud and debris from a road…A landslide had occurred around the site.” Kamogawa, Chiba Prefecture: one fatality Sanmu, Chiba Prefecture: one fatality A cluster of six or more fatal landslides is quite unusual for Japan, which works extremely hard to manage landslide risk. James Reynolds has been recording Typhoon Dujuan – he has tweeted this image of a landslide on Highway 34 near Kyonan Hota IC:- A debris flow on Highway 34 near Kyonan Hota IC in Chiba triggered by Typhoon Dujuan. Image tweeted by James Reynolds. Typhoon Dujuan is now moving away from Japan, so more information will emerge over the next 24 hours about the impact of the storm. I expect that we will see a large number of landslides in those upland areas most affected by the intense rainfall. Text © 2026. The authors. CC BY-NC-ND 3.0Except where otherwise noted, images are subject to copyright. Any reuse without express permission from the copyright owner is prohibited.