Study on regional and historical change of tsunami disasters

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The international meeting to discuss the tsunami disaster and mitigation by participants from Japan, Indonesia, Korea, US, Mexico, Russia, UK, France, Greece, and Turkey was held. The topics are divided into four ; (1) tsunami phenomena, (2) utilization of the tsunami simulation, (3) tsunami generation due to non-seismic source, and (4) mitigation and recovery in orer to clarify the regional and universal problems on waming. Numerical simulation, generation mechanism and regional disaster s related with culture, life and land-use. The comprehensive comparison of counter-measurement, warning, disaster culture are compiled, which is useful to discuss the way of mitigation and recovery through cooperation in the world. The possibility of numerical simulation in warning system in real time and hazard map is discussed in accuracy on resolution and numerical methods, and reliability of the model with observation of the tsunami in detecting system. The 1998 Papua New Guinea and 1999 Vanuatu tsunami are selected as typical example to study the tsunami source mechanism and numerical forecasting.