Illustration of the methodology for collection of an InSAR image.
![image related to volcanoes. See description](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/img78.gif?itok=CHGdmODh)
Detailed Description
A satellite passes over an area and records data about it. Two or more passes are needed to create the InSAR images we use to examine changes in ground height.
Sources/Usage
Public Domain.