For the occurrence of mudflow, the simultaneous coincidence of three mandatory conditions is required:
The presence on the slopes of the mudflow basin of a sufficient amount of easily transported rock destruction products (sand, gravel, pebbles, small stones);
The presence of a significant amount of water for flushing from the slopes of stones and soil and their movement along the channel;
sufficient steepness of the slopes (at least 10-15 °) of the mudflow basin and water flow (mudflow channel).
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.