Typhoon Dujuan hits Japan's Kanto and Izu Islands, bringing record-breaking torrential rains, leaving 9 dead and 4 missing
Quick Look
- Although Typhoon Dujuan did not directly land in Japan, due to the influence of peripheral circulation and frontal accompanying effects, it brought record-breaking heavy rains to the Kanto region and Izu Islands.
- As of 8:30 a.m. on the 23rd, the disaster had left 9 people dead and 4 missing.
- More than 500 houses were damaged in Chiba, Kanagawa and Ibaraki prefectures, and flooding caused by landslides and river overflows occurred in many places.
AI-generated summary
Why It Matters
Although Typhoon Dujuan did not directly land in Japan, its peripheral circulation and frontal accompanying effects caused continuous heavy rainfall in the Kanto region and Izu Islands, setting observation records in many places. The cumulative rainfall in Izu Oshima reached 832 millimeters in 48 hours, exceeding the local average rainfall in September by 2.4 times.
Typhoon "Azalea" hit Japan, bringing record-breaking heavy rains to the Kanto region and the Izu Islands. Flooding caused by landslides and river overflows occurred one after another in various places. As of 8:30 a.m. on the 23rd, the death toll had increased to 9, and 4 more people were missing. More than 500 houses were damaged in Chiba, Kanagawa and Ibaraki prefectures.
According to comprehensive Japanese media reports, the center of Typhoon Dujuan did not make direct landfall. Affected by the peripheral circulation and frontal co-occurrence effects, vigorously developing rain clouds enveloped the Izu Islands and Kanto region for a long time, bringing record heavy rains. The cumulative rainfall in Izu Oshima reached 832 millimeters in 48 hours, exceeding 2.4 times the local average rainfall in September and setting a record since statistics were collected. The 24-hour cumulative rainfall in the Kanto region set new records at 8 observation locations.
Please read on...
Affected by heavy rains, landslides occurred in many places in Chiba and Kanagawa prefectures. A man in his 60s was newly confirmed dead in Inzai City, Chiba Prefecture today. He was found lying near a vehicle soaked in water and died after being sent to the hospital. One new death was also confirmed in Miura City, Kanagawa Prefecture. Currently, 6 people have died and 2 are missing in Chiba Prefecture, and 3 people have died and 2 are missing in Kanagawa Prefecture.
Eight residential buildings in Kominato, Kamogawa City, Chiba Prefecture, were affected by landslides; a senior care facility in Ichihara City was also affected by landslides, and about 180 residents and staff were temporarily trapped. There are also reports of homes being damaged by flooding or landslides in various places. Currently, more than 500 houses have been confirmed to be damaged in Chiba, Kanagawa and Ibaraki prefectures.
Chiba Prefecture and Kanagawa Prefecture have both requested the Self-Defense Forces to send personnel for disaster relief, and the police, fire fighters and Self-Defense Forces continue to search and rescue the missing people. As of the morning of the 23rd, more than 24,700 households in Chiba and Kanagawa prefectures were without power.
What to Watch
AI outlook — possibilities, not facts
Search and rescue efforts will continue until the missing person is found or the search and rescue operation is hopeless.
Very likely · Within days
Post-disaster recovery and reconstruction work will be initiated in the affected areas
Very likely · Within weeks
Open Questions
- Will the identity and whereabouts of the missing persons be confirmed during subsequent search and rescue operations?
- How long is it expected to take to repair and rebuild the damaged homes?
- Will there be further weather warnings issued for the area?




