Damage Scenario of Wide and Compound lnundation Disasters due to Tsunami or River Flood Follows lnland Earthquake and lts Reduction

Abstract

New type disaster will occur at urban area when Nankai earthquake tsunami or flood inundation follows inland earthquake as compound and widely damage ddisaster. In this paper, we proposed some damage scenarios and their loss reduction method. Especially, underground space in flood-prone area will be inundated with flooding due to tsunami and river flood. Some countermeasures facilitated by local governments are effective but social vulnerability has increased. Never-experienced damage enlargement scenarios will come under compound disasters. Soft-countermeasures have to be prepared to reduce human casualties.