About the July 2020 heavy rains

1 Overview of the earthquake

A linear precipitation zone was formed around the southern part of the prefecture from half a night on July 3, and the amount of precipitation in one day was about one month in July. The 12-hour precipitation from the morning of July 4 was the highest in the history of observation at 9 points in the south of the prefecture [Kuma River system (Yamae, Isshochi, Hitoyoshi, Kamitaragi, Yunomae Yokotani), Taura, Minamata, Ushifuka]. did.

A large amount of rain that fell over a wide area flowed into the Kuma River and caused a large inundation, and also caused landslides in Minamata, Ashikita, and Amakusa.

In addition, the intermittent and extremely heavy rains from July 6th to the early morning of 8th caused flooding of rivers and landslides in the northern part of the prefecture.

July 4th linear precipitation zone
July 4th linear precipitation zone
Distribution map of total AMeDAS precipitation from July 3rd to 4th
Distribution map of total AMeDAS precipitation from July 3rd to 4th
Hourly rainfall from 1:00 am on July 3 to midnight on July 5
Hourly rainfall from 1:00 am on July 3 to midnight on July 5

2 Summary of damage

The July 2020 heavy rains caused flooding of rivers and sediment-related disasters in various parts of the prefecture, causing flooding and collapse of houses, public civil engineering facilities, and lifelines, mainly in the southern part of the prefecture.

The number of human casualties in the prefecture is 65 dead, 2 missing, and 51 seriously injured.

In addition to the damage to more than 7,300 houses, the damage to infrastructure facilities such as national highways 219, JR Kyushu Hisatsu Line and other roads and railways that are indispensable to the lives of citizens of the prefecture, commerce and industry, tourism, agriculture, forestry and fisheries has also occurred. rice field.

The amount of damage in the prefecture is estimated to be about 522.2 billion yen based on interviews with disaster-affected local governments and related organizations and estimation of the damage situation.

The situation of human damage (dead and missing) in the heavy rain in July 2nd year of Reiwa
The situation of human damage (dead and missing) in the heavy rain in July 2nd year of Reiwa
The situation of damage to houses due to the July 2020 heavy rains
The situation of damage to houses due to the July 2020 heavy rains
Status of human damage and housing damage (as of March 30, 2021)
Human damage The number of people
Deceased 65 people
Missing 2 people
Injured 51 people
Dwelling damage The number of damaged buildings
Completely collapsed 1,491 buildings
Half collapsed 3,098 buildings
Flooding on the floor 292 buildings
Underfloor flooding 426 buildings
Partially collapsed 2,069 buildings
Damage costs to the prefecture (Estimation as of May 30, 2021)
Category Cost Notes
Buildings (Housing-related) 1,554億2,718万円 住家、家財(宅地は含まない)
Water supply facilities 3億212万円 送配水施設、浄水施設、取水施設
Medical / welfare facilities 68億3,173万円 医療施設、社会福祉施設等
Public civil engineering facilities 1,512億9,967万円 道路、橋梁、河川、海岸、港湾、下水道等(国直轄分は含まない)
Educational facilities (excluding cultural property) 33億8,649万円 学校、社会教育施設等
Other public facilities etc. 21億6,379万円 県有施設、市町村庁舎、公営住宅、自然公園施設等
Public Transportation 56億2,683万円 鉄道、(JR九州は調査中)、路線バス等
Agriculture, Forestry and Fisheries 1,019億4,478万円 農地・農業用施設、山地崩壊、農林水産物等
Commerce and Industry 699億6,900万円 建物・設備等
Cultural properties 18億4,000万円 国指定、県指定、市町村指定及び国登録文化財
Waste disposal facilities 234億4,802万円 し尿処理施設、災害廃棄物処理費用
Total 5,222億3,960万円