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3DEP Data to Reduce Landslide Losses. Jonathan Godt Ph.D. Program Coordinator Landslide Hazards Natural Hazards Mission Area. 3DEP data improve landslide hazard assessments. Enable and improve landslide recognition Improve landslide hazard assessments

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3DEP Data to Reduce Landslide Losses

Jonathan Godt Ph.D.

Program Coordinator

Landslide Hazards

Natural Hazards Mission Area


3DEP data improve landslide hazard assessments

  • Enable and improve landslide recognition

  • Improve landslide hazard assessments

  • Repeat collection to document changes and assist response


Lidar data reveal past landslide activity

Schulz (2007)


Enable improved hazard assessments

Griswold and Iverson (2007)


Oso, Washington landslide

43 lives lost

10:37 am PDT, Saturday, March 22, 2014

Buried about 40 homes and 0.8 mile of SR530

Temporarily blocked the North Fork of the Stillaguamish River

Search operations involve hundreds of professionals and volunteers


The landslide devastated the Oso community

Image from Governor Inslee


Lidar data were used to assist search and recovery operations


Lidar differencing to assist with search operations


3DEP data enables rapid assessment and visualization

Image courtesy of S. Schilling

Pre-Landslide topography


To communicate landslide hazard

Image courtesy of S. Schilling

Post-Landslide topography





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