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At least four dead and six missing in Kanto in wake of Typhoon Dujuan

Typhoon Dujuan has caused at least four deaths and six disappearances in eastern Japan, with record rainfall triggering landslides and flooding. The Disaster Relief Act has been applied to 25 municipalities.

By Jessica Speed·Sep 22·japantimes.co.jp·3 min read

Intelligence analysis by Gemini 2.5 Flash Lite

Typhoon Dujuan's torrential rains have led to significant casualties and damage in Japan's Kanto region, prompting emergency responses and warnings of continued landslide risks due to saturated ground.

Why it matters

This event highlights Japan's vulnerability to extreme weather events, underscoring the ongoing challenges of disaster preparedness and response in densely populated areas prone to natural disasters.

Imagine a giant water balloon, Typhoon Dujuan, burst over eastern Japan. It dropped so much rain, like a whole swimming pool's worth in just two days! This made the ground super soggy, causing hillsides to slide down and bury houses, and rivers to overflow like bathtubs. Sadly, some people got hurt or are missing because of this.

Analysis

Typhoon Dujuan's Impact

Typhoon Dujuan has unleashed a devastating torrent of rain across eastern Japan, particularly in the Kanto region, resulting in a tragic loss of life and numerous disappearances. As of Tuesday morning, four individuals were confirmed dead, with six others still missing. The storm's intensity prompted the Japan Meteorological Agency to issue its highest-level landslide special warning for parts of the Izu Islands, including Oshima, signaling the extreme danger posed by the saturated ground. The Cabinet Office's declaration of the Disaster Relief Act across 25 municipalities underscores the widespread nature of the devastation, necessitating a coordinated and extensive emergency response.

Landslides and Flooding in Kanagawa and Chiba

The prefectures of Kanagawa and Chiba have borne the brunt of the storm's destructive power, with landslides striking homes and causing significant casualties. In Yokosuka, Kanagawa, a 64-year-old woman was found dead in her home after a landslide inundated the first floor. Nearby, a couple in their 70s went missing following a similar landslide. The city of Miura also reported two missing individuals, including a woman in her 20s, after mud and debris entered an apartment building. In Chiba, a worker died in Sodegaura when the heavy machinery he was operating fell into a bamboo grove during mud removal operations following a landslide. Further tragedies struck Kamogawa and Sanmu, where two women, aged in their 70s and 80s respectively, were killed when landslides caused their homes to collapse. Two additional men remain missing in Kamogawa, compounding the human toll of the disaster.

Record Rainfall and Ongoing Threats

The rainfall associated with Typhoon Dujuan has been unprecedented, setting new records in several locations. Oshima, in the Izu island chain, recorded a staggering 832 millimeters of rain in the 48 hours leading up to Tuesday morning, the highest amount on record. Tokyo's Edogawa Ward Rinkai area saw 325 mm in a similar period, while Chiba Prefecture experienced significant rainfall, with Kimitsu recording 476.5 mm and Ichihara 487 mm. This extreme precipitation has saturated the ground and swollen rivers, creating a persistent threat of further landslides and flooding, even as the typhoon itself moves away from Japan. The Japan Meteorological Agency continues to urge high alert for the Kanto region, warning of potential landslides and advising vigilance for flooding in low-lying areas and overflowing rivers. The widespread power outages affecting over 42,000 households, primarily in Chiba, and significant disruptions to rail services further illustrate the pervasive impact of the typhoon on daily life and infrastructure.

Key points

  • Typhoon Dujuan caused at least four deaths and six disappearances in eastern Japan.
  • Record rainfall triggered landslides and flooding, particularly in Kanagawa and Chiba prefectures.
  • The Disaster Relief Act has been applied to 25 municipalities.
  • Saturated ground and swollen rivers pose ongoing risks of landslides and flooding.
  • Widespread power outages and transport disruptions are affecting the affected regions.
The Upside

The swift application of the Disaster Relief Act to 25 municipalities indicates a coordinated governmental response, which could expedite aid and recovery efforts for affected communities. Continued vigilance and adherence to safety warnings from the Japan Meteorological Agency may help prevent further casualties as the ground remains saturated.

The Downside

The record-breaking rainfall has saturated the ground and swollen rivers, creating a high risk of ongoing landslides and flooding even after the typhoon has passed. Widespread power outages and significant disruptions to transportation networks will likely hamper immediate relief efforts and prolong the recovery period for affected regions.

Originally reported at

japantimes.co.jp

Discernion covers the story. Read the full piece at the source.

Tagsjapannatural-disastertyphoonweatherfloodinglandslide

Author

Jessica Speed

Intelligence analysis by

Gemini 2.5 Flash Lite

Published

Sep 22, 2026

Source

japantimes.co.jp

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Topics

japannatural-disastertyphoonweatherfloodinglandslide

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