A METHOD TO EVALUATE SUPERIMPOSITION TSUNAMI CAUSED BY SUBMARINE LANDSLIDE AND ACTIVE FAULT.

Abstract

 Kaneto et al. proposed a method to evaluate possible future tsunami caused by submarine landslide. However, superposition with tsunami caused by active faults, which is likely to cause submarine landslides, has not been investigated. This study focuses on the distribution of tsunami arrival times within a radius of 100 km from the Kashiwazaki-Kariwa Nuclear Power Station, proposes a method for determining the combination of tsunamis caused by submarine landslides and active fault. In addition, we evaluated the maximum water level due to the superimposed tsunami by the linear addition method of the tsunami numerical simulation and the method by coupled analysis, and it was confirmed that there was no significant difference in the tendency of the analysis results by either method.