This open access book provides an overview of the progress in landslide research and technology and is part of a book series of the International Consortium on Landslides (ICL). The book provides a common platform for the publication of recent progress in landslide research and technology for practical applications and the benefit for the society contributing to the Kyoto Landslide Commitment 2020, which is expected to continue to 2030 and beyond to globally promote the understanding and reduction of landslide disaster risk, as well as to address the 2030 Agenda Sustainable Development Goals.

Prof. Biljana Abolmasov is the Vice President. She is a Professor of the Faculty of Mining and Geology, University of Belgrade in Serbia. She is an Editor of the Journal Landslides and the book series P-LRT.

Prof. Irasema Alcántara-Ayala is a former Director and current Professor at the Institute of Geography of the National Autonomous University of Mexico (UNAM). She is a member of the UNDRR R-STAG of the Americas and an Editor of the book series P-LRT.

Prof. Kazuo Konagai is a Professor Emeritus at the University of Tokyo and Principal Researcher at the ICL headquarters. He is an associate editor of the Journal Landslides and an Assistant Editor-in-Chief of the book series P-LRT. 

Prof. Kyoji Sassa is the Founding President and the Secretary General of the ICL and the Secretary General of the Kyoto Landslide Commitment 2020. He is the Editor-in-Chief of the Journal Landslides and the book series P-LRT.

Dr. Shinji Sassa is the Head of Soil Dynamics Group and Research Director at Port and Airport Research Institute, National Institute of Maritime, Port and Aviation Technology, Japan. He is an Editor of the Journal Landslides and the book series P-LRT.

Prof. Binod Tiwari is a professor of civil and environment engineering at the California State University, Fullerton, California, USA. He is an associate editor of the Journal Landslides and an Assistant Editor-in-Chief of the book series P-LRT.