On March 21, 2008 a landslide caused the closure of Arizona State Route 87 between Payson and Phoenix near mile post 224. So far there are no official estimates as to the size, but based on aerial photos, it appears to be at least 50,000 sq-ft in plan. The offset at the head scarps was approximately 2-meters (6.6-ft) according to AZGS Geologists on site. It appears to have been a rotational slide as the toe of the landslide heaved the southbound roadway up by as much as 1-meter (3.3 ft). There was an existing soil-nail retaining wall on the slope that was destroyed by the slide as well. Lateral deformations can be seen in photos of the median barrier and the roadway striping. The deformations extended into the northbound lanes as well. More photos and links after the break. (Photo by ADOT)
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Exatly similar shape slip occured in latrob valley in Australia
That is a photo of the Yallourn landslide in the Latrobe Valley in Australia..
You are correct Steve, I should have been paying attention when borrowing Dr. Dave’s images. He was remarking how similar the Turkey slide is to the Latrobe slide in Australia. To see an amazing aerial image of the Turkey slide, check out Dr. Dave’s Landslide Blog. [url]http://blogs.agu.org/landslideblog/2011/03/09/the-astonishing-collolar-coalfield-landslide-in-turkey/[/url]