Geological disasters like landslides have been causing huge losses for people and property in many countries, especially the ones located in mountainous areas. These disasters are very hot issue that is being paid special attention by managers and researchers from many countries around the world.
Vietnam is one of the countries in the region that is frequently affected by landslides due to tropical monsoon climate and three-fourths of Vietnam's land area is mountainous. In the context of global climate change which is happening quite acute, landslides are becoming more dangerous, more severe. According to recent researches almost every year in Vietnam during the rainy season landslides are occurring, causing great damage to people and properties.