Scenario superposition method for real‐time tsunami prediction using a Bayesian approach

S Fujita, R Nomura, S Moriguchi… - Journal of …, 2024 - Wiley Online Library
In this study, we propose a scenario superposition method for real‐time tsunami wave
prediction. In the offline phase, prior to actual tsunami occurrence, hypothetical tsunami …

On the performance of sequential Bayesian update for database of diverse tsunami scenarios

R Nomura, LAH Vermare, S Fujita, D Rim… - arXiv preprint arXiv …, 2024 - arxiv.org
Although the sequential tsunami scenario detection framework was validated in our previous
work, several tasks remain to be resolved from a practical point of view. This study aims to …

Optimization of a tsunami gauge configuration for pseudo‐super‐resolution of wave height distribution

S Fujita, R Nomura, S Moriguchi, Y Otake… - Earth and Space …, 2024 - Wiley Online Library
In this study, we present an optimization method for determining a cost‐effective sparse
configuration for tsunami gauges to realize the reconstruction of high‐resolution wave height …

Comparative Performance of Scenario Superposition by Sequential Bayesian Update for Tsunami Risk Evaluation

R Nomura, LA Hirao-Vermare, S Fujita… - Journal of Disaster …, 2024 - jstage.jst.go.jp
This study aims to evaluate the performance of the previous sequential Bayesian update for
synthesizing tsunami scenarios in a diverse database consisting of complex fault rupture …

Real-time tsunami risk evaluation method by synthetic dynamics and Bayesian update

R Nomura, S Fujita, Y Otake… - Transactions of the …, 2022 - tohoku.elsevierpure.com
This study presents a method of real-time tsunami risk evaluation by combined use of proper
orthogonal decomposition (POD) and Bayesian update. The validity of the proposed method …