Sichuan Earthquake Update

A home owner with a condemned piece of property containing a landslide scarp in his driveway contends that the landslide was caused by a developer excavating and blasting at the toe of the slope below […]

The Pittsburgh area has  49 active landslides or retaining wall failures in 29 neighborhoods according to a Pittsburgh Public Works Department survey. The estimated cost to fix 24 of those issues effecting public land is $7.4 million, which the City doesn’t have. Story source: Pittsburgh Live by way of Geology.com. (Map by BOB NEWELL/TRIBUNE-REVIEW)

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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!

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