Onsite Visit Leads To Ledgewood-Bonair Landslide Quick Report OLYMPIA – The Washington State Department of Natural Resources Division of Geology & Earth Resources has released their quick report on the Whidbey Island “Ledgewood-Bonair” landslide that […]
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!
Fellow geo-blogger David Petley of Durham University posted today about the 105th anniversary of the Frank Landslide in Canada. The slide had an estimated volume of 30 million cubic meters and took all of about […]