Terrain Survey Assessment

Product Line

Survey and Planning

Use cases

Terrain Survey Assessment


Land movements due to Earth quake at Napa Valley

Energy, Hazards & Risks
  • Earthquakes along the equatorial belt can create devastating impacts to the infrastructures on the ground and major land movements due to the shift of the tectonic plates
  • The colourful circles you see on the 4th image represents interferometric fringes created due to ground displacement effects.
  • One full coloured circle indicates a change of 28mm in the ground-to-satellite range between the pre-and post earthquake images.