HAWAII VOLCANOES NATIONAL PARK Since the early 1990s, scientists have used radar satellites to map movement, or deformation, of Earth s surface. Interferometric Synthetic Aperture Radar calculates the ...

Europe's Sentinel-1a satellite has got its first good look at the aftermath of Saturday's big quake in Nepal. The radar spacecraft is able to sense ground movement by comparing before and after ...

No audio available for this content. Airbus Defence and Space and Hisdesat Servicios Estratégicos S.A. have generated the first joint TerraSAR-X/PAZ radar interferogram. This milestone demonstrates ...

This is an interferogram of the December 2018 eruption of Etna in southern Italy, based on Sentinel-1 satellite images. Interferograms spatially map ground surface movements. Disclaimer: AAAS and ...