Ikuo Towhata is Professor Emeritus at The University of Tokyo. He was formerly President of the Japanese Geotechnical Society and Vice President for Asia of the International Society for Soil Mechanics and Geotechnical Engineering (ISSMGE). He obtained his PhD from the University of Tokyo in 1982.Lin Wang is a Senior Engineer at Chuo-Kaihatsu Inc., Tokyo and Visiting Professor at Sichuan University. He is a member of the ISSMGE’s Technical Committee 220 for Field Monitoring of ISSMGE. He received his PhD from The University of Tokyo.Takemine Yamada is a Senior Research Engineer at Kajima Technical Research Institute, Tokyo. He is a member of the ISSMGE’s Technical Committee 221 for Tailings and Mine Wastes of ISSMGE. He received his PhD from The University of Tokyo.Yoshikazu Miyamoto is a professor of Department of the Social Management Engineering, Faculty of Engineering, Tottori University in Japan. He is a member of the Committee on Global Environment in Japan, Society of Civil Engineers. He received his PhD from the Tottori University.

• 1. General Views on Recent Rainfall and Landslide Events 2. Experiences of Rapid Landslide and Debris Flow 3. Social Needs for Disaster Mitigation with Emphasis on Slope Disasters 4. Review of Slope Monitoring Technology 5. Rainfall Criterion for Early Warning 6. Forecasting of Rainfall-Induced Slope Disasters by Ground-Based Tilt Sensors 7. Case Histories of Successful Early Warnings 8. Ground-Based or Air-Borne Imagery Surveys 9. Development of Slope Monitoring System with Residents’ Participation 10. New Micromotion and Vibration Monitoring System 11. Scope of DX and Advanced Services 12. Ideas on Future Development of Field Monitoring 13. Conclusion

Ikuo Towhata is Professor Emeritus at The University of Tokyo. He was formerly President of the Japanese Geotechnical Society and Vice President for Asia of the International Society for Soil Mechanics and Geotechnical Engineering (ISSMGE). He obtained his PhD from the University of Tokyo in 1982.Lin Wang is a Senior Engineer at Chuo-Kaihatsu Inc., Tokyo and Visiting Professor at Sichuan University. He is a member of the ISSMGE’s Technical Committee 220 for Field Monitoring of ISSMGE. He received his PhD from The University of Tokyo.Takemine Yamada is a Senior Research Engineer at Kajima Technical Research Institute, Tokyo. He is a member of the ISSMGE’s Technical Committee 221 for Tailings and Mine Wastes of ISSMGE. He received his PhD from The University of Tokyo.Yoshikazu Miyamoto is a professor of Department of the Social Management Engineering, Faculty of Engineering, Tottori University in Japan. He is a member of the Committee on Global Environment in Japan, Society of Civil Engineers. He received his PhD from the Tottori University.

• 1. General Views on Recent Rainfall and Landslide Events 2. Experiences of Rapid Landslide and Debris Flow 3. Social Needs for Disaster Mitigation with Emphasis on Slope Disasters 4. Review of Slope Monitoring Technology 5. Rainfall Criterion for Early Warning 6. Forecasting of Rainfall-Induced Slope Disasters by Ground-Based Tilt Sensors 7. Case Histories of Successful Early Warnings 8. Ground-Based or Air-Borne Imagery Surveys 9. Development of Slope Monitoring System with Residents’ Participation 10. New Micromotion and Vibration Monitoring System 11. Scope of DX and Advanced Services 12. Ideas on Future Development of Field Monitoring 13. Conclusion

Ikuo Towhata is Professor Emeritus at The University of Tokyo. He was formerly President of the Japanese Geotechnical Society and Vice President for Asia of the International Society for Soil Mechanics and Geotechnical Engineering (ISSMGE). He obtained his PhD from the University of Tokyo in 1982.Lin Wang is a Senior Engineer at Chuo-Kaihatsu Inc., Tokyo and Visiting Professor at Sichuan University. He is a member of the ISSMGE’s Technical Committee 220 for Field Monitoring of ISSMGE. He received his PhD from The University of Tokyo.Takemine Yamada is a Senior Research Engineer at Kajima Technical Research Institute, Tokyo. He is a member of the ISSMGE’s Technical Committee 221 for Tailings and Mine Wastes of ISSMGE. He received his PhD from The University of Tokyo.Yoshikazu Miyamoto is a professor of Department of the Social Management Engineering, Faculty of Engineering, Tottori University in Japan. He is a member of the Committee on Global Environment in Japan, Society of Civil Engineers. He received his PhD from the Tottori University.

• 1. General Views on Recent Rainfall and Landslide Events 2. Experiences of Rapid Landslide and Debris Flow 3. Social Needs for Disaster Mitigation with Emphasis on Slope Disasters 4. Review of Slope Monitoring Technology 5. Rainfall Criterion for Early Warning 6. Forecasting of Rainfall-Induced Slope Disasters by Ground-Based Tilt Sensors 7. Case Histories of Successful Early Warnings 8. Ground-Based or Air-Borne Imagery Surveys 9. Development of Slope Monitoring System with Residents’ Participation 10. New Micromotion and Vibration Monitoring System 11. Scope of DX and Advanced Services 12. Ideas on Future Development of Field Monitoring 13. Conclusion