1. Short title This Act may be cited as the National Landslide Preparedness Act . 2. Definitions In this Act: (1) 3D The term 3D means 3-dimensional. (2) 3D elevation data (A) In general The term 3D elevation data means 3D, high-resolution data obtained using lidar, ifsar, or other methods over the United States (including territories). (B) Inclusions The term 3D elevation data includes terrestrial and bathymetric elevation data. (3) 3D elevation program The term 3D Elevation Program means the 3D Elevation Program established under section 5(a). (4) Ifsar The term ifsar means interferometric synthetic aperture radar. (5) Indian tribe The term Indian tribe has the meaning given the term in section 4 of the Indian Self-Determination and Education Assistance Act ( 25 U.S.C. 5304 ). (6) Lidar The term lidar means light detection and ranging. (7) Secretary The term Secretary means the Secretary of the Interior, acting through the Director of the United States Geological Survey. (8) State The term State means any unit of State government handling the identification, mapping, assessment, and research of landslide hazards or responding to landslide events, including— (A) a State geological survey office; (B) a State department of emergency response; and (C) a State department of transportation. 3. National landslide hazards reduction program (a) Establishment The Secretary shall establish a program, to be known as the National Landslide Hazards Reduction Program (referred to in this section as the program )— (1) to identify and understand landslide hazards and risks; (2) to reduce losses from landslides; (3) to protect communities at risk of landslide hazards