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January 19, 2017

Spurred by Oso landslide, state topo maps go online

  • Developers, planners, engineers and scientists use the maps to get a clearer picture of flood plains, seismic fault lines and volcanic hazard areas.
    • By NOAH HAGLUND
    The Daily Herald

    OLYMPIA — Washington's Department of Natural Resources is following through with a key safety recommendation that arose in the aftermath of the Oso mudslide, as it starts to post intricate topographical maps online.

    The state generates the maps through laser-imaging technology known as lidar. By showing accurate contours of the land, the aerial images help point out areas at risk for landslides, flooding, tsunamis and other natural disasters.


     
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