Terrain Survey Assessment
Product Line
Survey and Planning
Use cases
Terrain Survey Assessment
Example
Land movements due to Earth quake at Napa Valley
Category
Infra Smart City, Survey & PlanningExplanation
- 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.