The revised probabilistic forecast model for the Nankai Trough, published by the Headquarters for Earthquake Research Promotion on September 26, 2025, is based on foundational studies by Ogata (2002, JGR) and Nomura et al. (2011, JGR). Relevant documents include: https://www.jishin.go.jp/main/chousa/kaikou_pdf/nankai_3.pdf ; https://www.jishin.go.jp/main/chousa/25sep_nankai/kakuritsu250926.pdf