2000 年 2 巻 p. 223-228
Typhoon 9918 landed in Ube City facing the Setonaikai Sea on 24 September 1999 and caused very high storm surges of 349cmT.P. Yamaguchi University hospital located along the Majimegawa River suffered severe inundation with its basements completely filled with salty water.Upward velocity of inundated water in basement is estimated with parameters of water rising velocity in the ground level.Effects of lifeline utility damage such as water,electricity,gas,telephone and computer networks are reviewed and emergency response are examined to derive lessons of this serious disaster and to make hospitals more prepared against flooding and other disasters so that they can cope with possibly incoming mass casualties in case of such disaster.