Preliminary investigation of far-field ground motion characteristics in Bangkok Basin during the 2025 Mw 7.7 Mandalay earthquake, comparing observations with ground motion models and examining seismotectonic settings and building damage. Authors: Teraphan Ornthammarath, Pennung Warnitchai, Yoshihisa Maruyama, Patinya Pornsopin, Fumio Yamazaki. Presented at TSER2025.