Typhoon Dujuan kills at least four in Japan, prompts evacuation of 1.6 million

Typhoon Dujuan lashing Japan's Pacific coast has left at least four people dead, 22 injured, and six missing after triggering severe landslides and record-breaking rainfall. Over 1.6 million residents were urged to evacuate as the storm brought 80mph winds and dumped unprecedented rain, including 832mm on Oshima island. The severe weather cut power to 45,000 homes, grounded nearly 300 flights, suspended rail lines, and delayed Prime Minister Sanae Takaichi's travel to the UN General Assembly.

Typhoon Dujuan eastern Japan

• ▪Typhoon Dujuan passed along Japan's Pacific coast on September 21 and 22, 2026, bringing winds of up to 144 kilometers per hour and record-breaking rainfall to eastern Japan
• ▪Oshima island, located south of central Tokyo, recorded an unprecedented 832 millimeters of rain over 48 hours, which is more than double its average rainfall for the entire month of September
• ▪Typhoon Dujuan, Japan's 25th typhoon of the year, weakened and moved northeast away from the Japanese mainland over the Pacific Ocean on the morning of September 22, 2026

Landslide casualties fatalities

• ▪A 51-year-old worker died in Sodegaura, Chiba Prefecture, when the heavy machinery he was operating to clear landslide debris fell into a bamboo grove
• ▪Typhoon Dujuan caused at least four deaths and injured 22 people in Chiba and Kanagawa prefectures near Tokyo
• ▪Emergency crews and search-and-rescue teams continued searching for six people who remained missing after landslides triggered by Typhoon Dujuan in Kanagawa and Chiba prefectures
• ▪A 64-year-old woman was found dead inside her home in Yokosuka, Kanagawa Prefecture, after a landslide triggered by Typhoon Dujuan crushed the structure

Mass evacuation orders

• ▪The Japan Meteorological Agency issued its highest-level landslide warning for parts of the Izu Islands, including Oshima Town, where an imminent threat to life was declared
• ▪Japanese authorities issued non-mandatory evacuation advisories for more than 1.6 million people across six prefectures as Typhoon Dujuan approached

Transport disruptions cancellations

• ▪Railway operators suspended services on several lines in Tokyo and surrounding regions, including sections of East Japan Railway's Sobu, Narita, and Sotobo lines
• ▪Aviation operators cancelled hundreds of flights on September 21, 2026, including 135 flights by Japan Airlines and 140 flights by All Nippon Airways
• ▪Typhoon Dujuan forced the early closure of the Tokyo Game Show on September 21, 2026, and prompted organizers to postpone the equestrian eventing competition at the Asian Games in Aichi Prefecture