Landslide Susceptability throughout the United States

Above is a portion of the Appalachian Mountains in the Eastern United States. Due to steep slopes, and multitudes of fluvial erosion these slopes on the northwestern side have a large susceptibility to landslides.

Taking a look at the opposite coast along California they have similar issues when it comes to weathering agents, promoting slope failure.

Another for the Rocky Mountains, near Colorado. The large nature of these maps don't mix well with a blogger account. They appear blurry and highly distorted.