Exploring Challenges in Deep Learning of Single-Station Ground Motion Records

• URL: http://arxiv.org/abs/2403.07569v1
• Date: Tue, 12 Mar 2024 11:56:50 GMT
• Title: Exploring Challenges in Deep Learning of Single-Station Ground Motion Records
• Authors: \"Umit Mert \c{C}a\u{g}lar, Baris Yilmaz, Melek T\"urkmen, Erdem Akag\"und\"uz, Salih Tileylioglu
• Abstract summary: Experimental results reveal a strong reliance on the highly correlated P and S phase arrival information. Our observations highlight a potential gap in the field, indicating an absence of robust methodologies for deep learning of single-station ground motion recordings.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Contemporary deep learning models have demonstrated promising results across various applications within seismology and earthquake engineering. These models rely primarily on utilizing ground motion records for tasks such as earthquake event classification, localization, earthquake early warning systems, and structural health monitoring. However, the extent to which these models effectively learn from these complex time-series signals has not been thoroughly analyzed. In this study, our objective is to evaluate the degree to which auxiliary information, such as seismic phase arrival times or seismic station distribution within a network, dominates the process of deep learning from ground motion records, potentially hindering its effectiveness. We perform a hyperparameter search on two deep learning models to assess their effectiveness in deep learning from ground motion records while also examining the impact of auxiliary information on model performance. Experimental results reveal a strong reliance on the highly correlated P and S phase arrival information. Our observations highlight a potential gap in the field, indicating an absence of robust methodologies for deep learning of single-station ground motion recordings independent of any auxiliary information.

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