Abstract

Tsunamis are one of the most destructive natural phenomena (Pugh and Woodworth, 2014). For past decades, the risk of potential earthquake zones has been issued by Japanese researchers, which could occur tsunami, in Niigata and Tottori area located in the west coast of Japan and the Ryukyu trench located in Okinawa as well (Disaster Prevention Research Institute, Japan). Also, there is a Yamamoto Rise on the East Sea, where it strongly affects tsunami propagation. This topography causes high tsunami energy to concentrate on the east coast of Korea (Cho and Lee, 2013). For example, the 1983 Akita and 1993 Hokkaido earthquake induced tsunamis, Japan, respectively cause the property and life damages to the certain cities on the east coast of Korea. Therefore, it is important to propose the optimal deployment location of offshore tsunami observation instruments to contribute to the tsunami early warning system by increasing probability of tsunami detection with the minimal number of instruments considering a large number of potential tsunami scenarios. In this study, by considering various factors, the optimal location of instruments is suggested based on the numerical model results of possible tsunami scenarios.Recorded Presentation from the vICCE (YouTube Link): https://youtu.be/q3PLE6EgtrY

Highlights

  • Tsunamis are one of the most destructive natural phenomena (Pugh and Woodworth, 2014)

  • The present study suggests the optimal position of tsunami detection instruments based on the numerical computation of deep ocean tsunami dynamics and GIS technologies (Omira et al.,2009)

  • This study will propose the 2 to 4 observation stations located on the tsunami main energy beam in the East Sea of Korea and the South Sea of Korea, respectively, which is effective for estimating tsunami source suggested by Percival et al (2011)

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Summary

Introduction

Tsunamis are one of the most destructive natural phenomena (Pugh and Woodworth, 2014). There is a Yamamoto Rise on the East Sea, where it strongly affects tsunami propagation. This topography causes high tsunami energy to concentrate on the east coast of Korea (Cho and Lee, 2013). The 1983 Akita and 1993 Hokkaido earthquake inducedtsunamis, Japan, respectively cause the property and life damages to the certain cities on the east coast of Korea (Figure 1). It is important to propose the optimal deployment location of offshore tsunami observation instruments to contribute to the tsunami early warning system by increasing probability of tsunami detection with the minimal number of instruments considering a large number of potential tsunami scenarios. By considering various factors, the optimal location of instruments is suggested based on the numerical model results of possible tsunami scenarios

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