Mass Wasting Hazards This week I will touch a little on mass wasting , also known as mass movement. Mass wasting is when rock and soil fall down a slope causing landslides, mudslides, or rockslides. This happens after another natural hazard has occurred such as an earthquake or heavy rainfall, or it could just simply be because of over steeping and gravity. Venezuela unfortunately is a victim of many landslides. Besides being prone to earthquakes, Venezuela experiences some heavy rainfall seasons (a...