Faculty of Earth Sciences and Technology, Institute of Technology Bandung (ITB) held the 1st International Seminar on Earth Sciences and Technology (ISEST 2021) as an online seminar on December 8-9, 2021. Professor Masayuki Sakakibara, SRIREP Project, Research Institute of Humanity and Nature (RIHN), and Professor, Graduate School of Science and Engineering, Ehime University was invited to speak a lecture entitled “Invitation to Undertake Interdisciplinary Research in Earth Science”.