JR Shinetsu Main LineHokuriku Expressway82314568403290290289Name of river Shinano River Ikarashi River Kariyata River Gejo RiverFusetani RiverKakuma RiverOdaira RiverKaibami River/Sai RiverNarayama RiverOsawa River Sakamoto River Magaritani RiverNakaura RiverKonagasawa RiverSumon River Komaide River Kasabori River Nakanokuchi RiverSource (Name of drawing, etc.) Shinano River System, Shinano River (downstream), Sekiya Diversion Channel Flood-Prone Area Map Shinano River System, Shinano River, Okozu Diversion Channel Flood-Prone Area Map Shinano River System, Ikarashi River Flood-Prone Area Map (including areas outside the water level warning zone) Shinano River System, Ikarashi River Flood-Prone Area Map Shinano River System, Kariyata River Flood-Prone Area Map Proprietary map Shinano River System, Gejo River Flood-Prone Area Map Shinano River System, Fusetani River Flood-Prone Area Map Shinano River System, Kakuma River Flood-Prone Area Map Shinano River System, Odaira River Flood-Prone Area Map Shinano River System, Kaibami River/Sai River Flood-Prone Area MapShinano River System, Narayama River Flood-Prone Area Map Shinano River System, Osawa River Flood-Prone Area Map Shinano River System, Sakamoto River Flood-Prone Area Map Shinano River System, Magaritani River Flood-Prone Area Map Shinano River System, Nakaura River Flood-Prone Area Map Shinano River System, Konagasawa River Flood-Prone Area Map Shinano River System, Sumon River Flood-Prone Area Map Shinano River System, Komaide River Flood-Prone Area Map Shinano River System, Kasabori River Flood-Prone Area Map Shinano River System, Nakanokuchi River Flood-Prone Area MapCreated byLower Shinano River Office Shinano River Office Niigata Prefecture Niigata PrefectureNiigata Prefecture Sanjo City Niigata Prefecture Niigata Prefecture Niigata Prefecture Niigata Prefecture Niigata Prefecture Niigata Prefecture Niigata Prefecture Niigata Prefecture Niigata Prefecture Niigata Prefecture Niigata Prefecture Niigata Prefecture Niigata Prefecture Niigata Prefecture Niigata Prefecture Created onAssumed heaviest rainfall May 30, 2016 May 30, 2016 June 15, 2018 July 2010 June 13, 2017 FY2010 June 15, 2018 June 15, 2018 June 15, 2018 August 9, 2022 March 29, 2024 June 9, 2023 June 9, 2023 June 9, 2023 June 9, 2023 June 9, 2023 June 9, 2023 June 9, 2023 June 9, 2023 June 9, 2023 June 13, 2017Total two-day rainfall in the lower Shinano River Basin: 633mm Total two-day rainfall in the Shinano River Basin: 331mm Total two-day rainfall in the Ikarashi River Basin: 981.6mm ― Total two-day rainfall in the Kariyata River Basin: 815mm ― Total one-day rainfall in the Gejo River Basin: 813mm Total one-day rainfall in the Fusetani River Basin: 813mm Total one-day rainfall in the Kakuma River Basin: 807.4mm Total one-day rainfall in the Odaira River Basin: 810.1mm Total one-day rainfall in the Kaibami River Basin: 759mm Total one-day rainfall in the Narayama River Basin: 146mm Total one-day rainfall in the Osawa River Basin: 146mm Total one-day rainfall in the Sakamoto River Basin: 152mm Total one-day rainfall in the Magaritani River Basin: 152mm Total one-day rainfall in the Nakaura River Basin: 152mm Total one-day rainfall in the Konagasawa River Basin: 152mm Total one-day rainfall in the Sumon River Basin: 93mm Total one-day rainfall in the Komaide River Basin: 130mm Total one-day rainfall in the Kasabori River Basin: 102mm Total two-day rainfall in the lower Shinano River Basin: 633mmForecasted heavy rainfall Probability of occurrence (years)1 in 150 1 in 150 1 in 801 in 100 ― 1 in 150 1 in 70 1 in 30 1 in 10 1 in 30 1 in 30Assumed rainfall Total two-day rainfall in the lower Shinano River Basin: 270mm Total two-day rainfall in the Shinano River Basin: 171mm Total two-day rainfall in the Ikarashi River Basin: 434.5mm Total two-day rainfall in the Ikarashi River Basin: 340mm ― Total two-day rainfall in the lower Shinano River Basin: 270mm Total one-day rainfall in the Gejo River Basin: 300mm Total one-day rainfall in the Fusetani River Basin: 68.6mm Total one-day rainfall in the Kakuma River Basin: 34.5mm Total one-day rainfall in the Odaira River Basin: 226mm Total one-day rainfall in the Kaibami River Basin: 175mmRannan/Honjoji/Omo/Nagasawa/KatogeTsubame CityKamo CityPage 15Ranpoku/Iguri/Osaki/OjimaPage 11Nagasawa/Morimachi/KatogeNagasawa/Morimachi/KatogePage 21Morimachi/KatogePage 19Page 17Escape Maps are prepared based on the following Flood-Prone Area Maps.Please refer to the map of your area and check the color and pattern used to mark the location of your home.Mitsuke CityRannan/Honjoji/Sakaekita/Sakaechuo/OmoPage 13How to use the Escape Map1. Check your home’s color and pattern in the Escape Map<index map="" of="" escape="" maps=""> </index>
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