Characteristics and Risk Management of Water Use during Earthquake Disaster

Abstract

Hanshin Earthquake brought such hard damage of water supply as shortage of domestic water, fire-fighting water etc. The objectives of this study are to investigate styles of water use and quantity of domestic water in Hanshin area during the earthquake disaster and to show strategies for a risk management of water use. As a result of the investigation, the following things were cleared; (1) The quantity of water for living use was extremely small right after the earthquake. And it increased gradually in proportion to the services of water wagons and the recovery of water supplying systems.(2) The way to have water changed from bottled water, well, river, etc. to water wagon, with distribution of the wagons. The necessity of the risk management of water use for disaster has been shown.