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Typhoon Dujuan Kills 8 in Japan as Record Rain Triggers Mudslides

Record Rain Batters Kanto

Written and analysed by Ryusei Hosono • • Updated: September 28, 2026
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Typhoon Dujuan Kills 8 in Japan as Record Rain Triggers Mudslides

Table of contents:

    TL;DR

    Typhoon Dujuan has left eight people dead and five missing in Japan after dumping record rainfall and triggering mudslides across the Kanto region. More than 500 houses have been damaged in Chiba, Kanagawa and Ibaraki prefectures.

    Typhoon Dujuan has left eight people dead and five others missing in Japan after dumping record amounts of rain and triggering mudslides across the Kanto region, which includes Tokyo.

    The powerful typhoon approached Japan from Monday into Tuesday, bringing developed rain clouds that lingered for many hours over Kanto and the Izu Islands, south of central Tokyo.

    Record Rainfall Across Kanto

    Eight locations in Kanto marked record rainfall as the storm's rain clouds stalled over the region.

    • On Oshima Island, 832 millimeters of rain fell over a period of 48 hours, more than 2.4 times the average rainfall for the month of September.
    • Ushiku in Ichihara City, Chiba Prefecture, recorded 392.5 millimeters of rain in 24 hours.

    Human Toll by Prefecture

    The heavy rain triggered a series of landslides, with the casualties concentrated in Chiba and Kanagawa prefectures.

    Chiba Prefecture

    Six people have died and two remain missing in a series of landslides in Chiba Prefecture.

    Kanagawa Prefecture

    Two people have died in the city of Yokosuka, and three are unaccounted for in Yokosuka and Miura cities.

    More Than 500 Houses Damaged

    Damage has been confirmed to more than 500 houses in the prefectures of Chiba, Kanagawa and Ibaraki due to flooding and mudslides.

    Search and Recovery Continue

    The search for the missing and recovery work continue in the affected areas.

    Sources and further reading

    1. NHK WORLD-JAPAN — Typhoon Dujuan leaves 8 dead, 5 missing in Japan | NHK WORLD-JAPAN News
    2. NHK WORLD-JAPAN — Typhoon Dujuan leaves 8 dead, 5 missing in Japan | NHK WORLD-JAPAN News
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