2004年台風23号による人的被害の特徴

概要

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A heavy rainfall caused by the typhoon No.0423 (Tokage, GLIDE : TC-2004-000109-JPN) and a stationary front occurred in Western Japan from October 20 to 21, 2004. In this heavy rainfall, 96 persons were killed. It is the highest human damage by heavy rainfall in Japan after the "Heavy rainfall on July 1983" (death persons : 117). 32 people were killed by flood. This is the largest number of death by flood since the Nagasaki heavy rainfall disaster in July 1982. And 3/4 of them died while driving or walking out of their resident area. It is difficult to transmit of disaster prevention information such as flood forecast to them on actual forecasting and warning system. 28 persons were killed by sediment disaster and almost of them died in their houses. It is possible that the actual disaster information could mitigate this type victim. 20 persons slipped down to small irrigation canal or river and died. Almost of them were the aged and on patrol to their farmland. It is difficult to mitigate this type victim because they had accessed to dangerous area of their own free will. If actual disaster information such as precipitation, flood forecast and hazard map had used and understood completely, it had been possible that 35 victims had mitigated.
2005-11-30