Landslides and collapses cause a perceptible damage to national economy, environment and settlements, and snow-slips are of a great danger to a human life. A premature informing of residents living at landslide-, avalanche-, and collapse-dangerous territories helps people to be prepared in case of an emergency and to avoid unnecessary panic and stress. This is very important in a present-day situation of a nonlinear growth of the amount of similar events since the possession first of all with the reliable information on potential collapses, landslides or snow-slips will help to react with competent preventive measures to avoid unwarranted victims.