# Triple typhoons active in Northwest Pacific near Japan > Live situation record from CLSTR: https://clstr.news/situations/typhoon-25-impact-in-japan > Updated: 2026-10-04T09:51:40.000Z. Sources: 26. Developments: 10. Typhoon 25 caused significant destruction across Japan’s Kanto region, specifically impacting Chiba and Kanagawa prefectures. The storm resulted in at least 12 deaths and left three people missing following widespread landslides and flooding. In Chiba, the Inbanuma reservoir reached a record water level, causing embankment breaches and extensive flooding in Narita and Sakae. On October 4, Minister of Land, Infrastructure, Transport and Tourism Tatsunori Obayashi inspected disaster sites in Chiba, including the Inbanuma area and sections of the JR Uchibo Line. Regarding transportation, repairs to the JR Uchibo Line between Anegasaki and Nagaura are expected to take approximately three months, with substitute bus services scheduled to begin on October 5. The death toll specifically within Chiba Prefecture has reached 10 people. As recovery continues, Typhoon 26 (Surigae) is approaching the southern Izu Islands, bringing risks of heavy rain and high waves. A “triple typhoon” situation has now developed in the Northwest Pacific, with the Japan Meteorological Agency reporting the simultaneous activity of Typhoons 27, 28, and 29. Typhoon 27 (Choi-wan), described as a large and “very strong typhoon,” is moving near the Ogasawara Islands. Authorities have issued warnings for the islands to prepare for high waves reaching up to 8 meters and strong winds through October 6. Typhoon 28 is projected to reach eastern waters by October 10, while Typhoon 29 (Koguma) is expected to reach the vicinity of Minamitorishima on October 9. In Taiwan, meteorologists noted that while three systems are active, they currently pose no direct threat to the island. ## Claims - Typhoon 25 has caused 10 deaths across Chiba and Kanagawa prefectures. (disputed by 5 sources) - Four people remain missing following the typhoon. (disputed by 5 sources) - Typhoon 25 has caused 11 deaths and left 3 people missing in Chiba and Kanagawa prefectures. (disputed by 5 sources) - Typhoon 26 is moving east-northeast at approximately 20 km/h. (disputed by 3 sources) - Substitute bus services will begin on September 28 for the Narita Line between Sawara and Choshi. (disputed by 2 sources) - Typhoon 25 has caused 8 deaths, 3 missing persons, 2 serious injuries, and 28 minor injuries in Chiba Prefecture. (disputed) - Typhoon 26 is moving south of Japan at a speed comparable to a bicycle. (disputed) - Typhoon 25 caused 9 deaths, 1 missing person, and 31 injuries in Chiba Prefecture. (disputed) - Embankments at Inbanuma broke in three locations, marking the first such breach since the area came under management. (corroborated by 5 sources) - Water levels at Inbanuma reached 5.04 meters, the highest since management began in 1968. (corroborated by 4 sources) - The typhoon may approach the Kanto region on October 1st. (corroborated by 4 sources) - Flooding caused a short circuit that ignited a solar power facility in Narita City. (corroborated by 3 sources) ## Timeline ### 2026-10-04: Minister Obayashi inspects Typhoon 25 damage in Chiba Japan's Land Minister inspected Typhoon 25 damage in Chiba, pledging reinforced infrastructure support and investigating the Inbanuma levee breach as the death toll in the prefecture reaches 10. 2 sources. https://clstr.news/cluster/minister-obayashi-inspects-typhoon-25-damage-in-chiba ### 2026-10-03: Triple typhoons active in Northwest Pacific near Japan A triple typhoon event is unfolding in the Pacific. Typhoon 27 is approaching the Ogasawara Islands, prompting high wave warnings, while Typhoons 28 and 29 are also active in the region. 5 sources. https://clstr.news/cluster/typhoon-27-approaches-ogasawara-islands-with-high-winds ### 2026-10-03: Typhoon 25 causes power outages and water disruptions in Awa Typhoon 25 caused power outages and water disruptions in Japan's Awa region, underscoring the necessity of portable radios and offline resources during communication failures. 2 sources. https://clstr.news/cluster/typhoon-25-causes-power-outages-and-water-disruptions-in-awa ### 2026-10-01: Japan weather: Temperature drops, first snowfall, and Typhoon 27 approaching Japan faces temperature drops, the first snowfall at Asahidake, and thunderstorms. Typhoon 27 is also approaching the Ogasawara region, bringing risks of high waves and potential impacts to Kanto. 2 sources. https://clstr.news/cluster/japan-weather-temperature-drops-first-snowfall-and-typhoon-27-approaching ### 2026-09-30: Typhoon 27 expected to approach Ogasawara Islands Typhoon 27 is expected to approach the Ogasawara Islands between October 5 and 6. Residents should prepare for heavy rain and strong winds, while Kanto coastal areas may see rain around October 6. 4 sources. https://clstr.news/cluster/japan-weather-forecast-sunny-weekend-followed-by-rain-and-typhoon-influence ### 2026-09-28: Typhoon 26 approaches Kanto region as new tropical depression forms Typhoon 26 is approaching Japan's Kanto region, threatening areas in Chiba already recovering from recent floods. A new tropical depression has also formed in the southern ocean. 7 sources. https://clstr.news/cluster/typhoon-26-approaches-japan-threatening-kanto-region ### 2026-09-28: JR train services in Chiba disrupted by Typhoon 25 Typhoon 25 caused landslides in Chiba, Japan, suspending JR Uchibo Line services for months. Authorities are requesting national bus cooperation to provide replacement transport where vehicle shortages exist. 2 sources. https://clstr.news/cluster/jr-train-services-in-chiba-disrupted-by-typhoon-25 ### 2026-09-25: Japan weather: Typhoon 25 causes heavy damage as Typhoon 26 approaches Japan faces dual weather threats as Typhoon 25 leaves heavy casualties and flooding in Chiba while Typhoon 26 approaches the Kanto region, threatening further rainfall and infrastructure disruption. 7 sources. https://clstr.news/cluster/typhoon-25-causes-fatalities-and-heavy-damage-in-chiba ### 2026-09-25: Inbanuma flooding: Team Inbanuma formed to manage Typhoon 25 damage Authorities have formed 'Team Inbanuma' to manage flooding in Chiba Prefecture caused by Typhoon 25, where water levels exceeded flood plans and breached levees, affecting hundreds of households. 6 sources. https://clstr.news/cluster/inbanuma-levee-breach-causes-massive-flooding-and-damage-in-chiba ### 2026-09-22: Typhoon 25 causes 11 deaths and major flooding in Japan Typhoon 25 has caused 11 deaths and 3 missing in Chiba and Kanagawa, Japan. Record flooding led to three breaches at Inbanuma and widespread landslides, infrastructure damage, and significant agricultural loss. 13 sources. https://clstr.news/cluster/japan-experiences-flooding-and-heavy-rain-following-typhoon --- Cite as: Triple typhoons active in Northwest Pacific near Japan. CLSTR, https://clstr.news/situations/typhoon-25-impact-in-japan