1. Key Laboratory of Mountain Hazards and Surface Process; Chinese Academy of Science; Chengdu 610041 China
2. Institute of Mountain Hazards and Environment; Chinese Academy of Sciences; Chengdu 610041 China
3. Center for Excellence in Tibetan Plateau Earth Sciences; Chinese Academy of Sciences; Beijing 100101 China
4. University of Chinese Academy of Sciences; Beijing 100049 China
5. Key Laboratory of Urban Security and Disaster Engineering; Ministry of Education, Beijing University of Technology; Beijing 100124 China
6. State Key Laboratory of Geomechanics and Geotechnical Engineering; Chinese Academy of Sciences; Wuhan 430071 China