Extensional Crack

(Credit: R.J. McLaughlin, U.S. Geological Survey. Public domain.)

Detailed Description

Northwest-trending extensional crack where dam fill settled about 0.6 m (2 ft) and pulled away from concrete spillway and north abutment of Austrian Dam.

Details

Image Dimensions: 757 x 512

Date Taken: Tuesday, October 17, 1989

Location Taken: Santa Cruz Mountains, CA, US