Evaluating and Explaining Earthquake-Induced Liquefaction Potential through Multi-Modal Transformers

• URL: http://arxiv.org/abs/2502.10446v2
• Date: Tue, 18 Feb 2025 04:14:33 GMT
• Title: Evaluating and Explaining Earthquake-Induced Liquefaction Potential through Multi-Modal Transformers
• Authors: Sompote Youwai, Tipok Kitkobsin, Sutat Leelataviwat, Pornkasem Jongpradist,
• Abstract summary: This study presents an explainable parallel transformer architecture for soil liquefaction prediction. The architecture processes data from 165 case histories across 11 major earthquakes. The model achieves 93.75% prediction accuracy on cross-regional validation sets.
• Score: 0.0
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• Abstract: This study presents an explainable parallel transformer architecture for soil liquefaction prediction that integrates three distinct data streams: spectral seismic encoding, soil stratigraphy tokenization, and site-specific features. The architecture processes data from 165 case histories across 11 major earthquakes, employing Fast Fourier Transform for seismic waveform encoding and principles from large language models for soil layer tokenization. Interpretability is achieved through SHapley Additive exPlanations (SHAP), which decompose predictions into individual contributions from seismic characteristics, soil properties, and site conditions. The model achieves 93.75% prediction accuracy on cross-regional validation sets and demonstrates robust performance through sensitivity analysis of ground motion intensity and soil resistance parameters. Notably, validation against previously unseen ground motion data from the 2024 Noto Peninsula earthquake confirms the model's generalization capabilities and practical utility. Implementation as a publicly accessible web application enables rapid assessment of multiple sites simultaneously. This approach establishes a new framework in geotechnical deep learning where sophisticated multi-modal analysis meets practical engineering requirements through quantitative interpretation and accessible deployment.

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