ABSTRACT
This chapter describes some key problems in the whole process, such as the implement the monitoring and early warning plan; the forecast of the landslide and decision making during such emergency condition. The effective decision making on the emergency aid and remedial project is relying on the deep analysis and utilizing the monitoring data. Danba County is located in the west of Sichuan province, China, and behind the county there exists a very large ancient landslide deposit which is named of Baijiashan. Being restricted by the topography condition, the county had to evacuate the foot of the deposit to build constructions. According to the primary calculation, if the landslide occurs in total, the entire Danba County and its 4600 people will be in extremely danger. Furthermore, the landslide will block the river and be a threat to people who live in the upper and lower catchments of Dadu River.
