According to the legend of Yonok Nakorn, Yonok City fell due to the tremendous seismic hazard in 1000 B.E. The The Yonok City sank into the ground, and that area became a large water reservoir called the Viang Nong Lom. Investigating this legend, which happened in northern Thailand around 1500 years ago, is fascinating. Liquefaction after the seismic hazard is one possibility to explain this legend. This paper presents the possibility of liquefaction from the seismic in Chieng Saen district, which is Viang Nong Lom's location. According to the Mae Chan Fault, Chieng Saen has a high potential f Authors: Kantapon ,,Jintrakham;Peerasit,,Mahasuwanchai;Wongsa,,Wararuksajja;Chainarong ,,Athisakul;Teraphan ,,Ornthammarath;Pornkasem ,,Jongpradist;Sutat ,,Leelataviwat. Presented at TSER2023.