The Utah Geologic Survey has released a "Landslide Susceptibility Map of Utah". They apparently relied quite heavily on GIS based thresholding of existing slope angles but only after they had statistically analyzed failure angles for particular geologic units. So it sounds like they throw the known landslides, the geologic map of Utah and a DEM into the GIS a blend it all up. Perhaps a slight oversimplification!
Over the past week there has been devastating flooding and landslides in the Gansu Province of China, particularly in Zhouqu county. According to BBC, the latest death toll numbers are at 1,239. Here are some […]