Abstract: Method and apparatus for preventing mud slides comprising determining an area of soil to which to apply heat to evaporate water accumulation therein; determining, as a function of water drainage and water accumulation, a desired rate of water evaporation to maintain rigidity of the soil; and applying the determined amount of heat to the soil thereby to prevent mud slides. A series of electrical heating units are deployed strategically in the soil, and are energized by controlled amounts of energy in accordance with the level of a feedback signal from respective sensors located in the respective heating units. Mud slides may be prevented by determining a specific pattern in the area subjected to mud slides in which to deploy a series of heating units so as to form a rigid barrier which holds in place compliant soil in proximity to the rigid barrier.