Geological hazards. Their assessment, avoidance and mitigation

agua catastrophe cours d'eau cursos de agua desastres desechos desertification deslizamiento de tierras disasters earthquakes eau eau souterraine erosion geologia geologie geology glissement de terrain groundwater landslides marine areas mass movement mouvement du sol movimiento del suelo pollution rivers soil soil movement sol subsidence suelo terremotos tremblement de terre vent viento waste disposal wastes water winds zonas marinas