This book is a part of ICL new book series ICL Contribution to Landslide Disaster Risk Reduction founded in 2019. Peer-reviewed papers submitted to the Fifth World Landslide Forum were published in six volumes of this book series. This book contains the following parts br-Impact of Large Ground Deformations near Seismic Faults on Critically Important Civil Infrastructures-Recent Progress in the Landslide Initiating Science-Earth Observation and Machine Learning in Landslide Science-General Landslide StudiesbrProfessor Zeljko Arbanas is the Vice President of International Consortium on Landslides. He is a Professor of Faculty of Civil Engineering, University of Rijeka, Croatia. He is the Assistant Editor-in-Chief of International Journal Landslides.brProfessor Peter Bobrowsky is the President of International Consortium on Landslides. He is a Senior Scientist of Geological Survey of Canada, Ottawa, Canada.brProfessor Kazuo Konagai is Professor Emeritus at the University of Tokyo and Pri