I (Yellow)
Channelization and lining of drainage that runs along the slope;  Removal of the overhanging and advancing material from the slope; Slope moderation by benching to stabilize the slope.
Sontang no.3 landslide
Palku, Ompi Block
It is a reactivated slide. The loose debris from old minor landslides and the resultant cracks that have developed on the ground indicate instability and contribute as one of the major causes of this particular earthslide. Excavation of natural slope for