Oblique-Slip Fault Scarp

Fault scarp resulting from the magnitude 7.2 earthquake of October 28, 1983, near Borah Peak, Idaho. The wooden pole is 1.9 m high. This scarp shows components of both dip-slip (normal) and strike-slip (left-lateral) displacement. Photo credit: G. Reagor, U.S. Geological Survey. Image from website: http://www.ngdc.noaa.gov/seg/hazard/slideset/10/10_slides.html