Articles | Volume 19, issue 11
Nat. Hazards Earth Syst. Sci., 19, 2619–2634, 2019
https://doi.org/10.5194/nhess-19-2619-2019
Nat. Hazards Earth Syst. Sci., 19, 2619–2634, 2019
https://doi.org/10.5194/nhess-19-2619-2019
Research article
22 Nov 2019
Research article | 22 Nov 2019

Tsunami hazard and risk assessment for multiple buildings by considering the spatial correlation of wave height using copulas

Yo Fukutani et al.

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We demonstrate a method of tsunami risk assessment for two buildings using copulas of tsunami hazards that can consider the nonlinear spatial correlation of wave heights. As a result, the maximum value of the expected aggregate damage probability was approximately 3.0 % higher in the case considering the wave height correlation. We clearly showed the importance of considering wave height correlation and the usefulness of copula modeling in evaluating the tsunami risk of a building portfolio.
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