The remote sensing technique to map ground deformation is being improved thanks to scientific work based on frequent observations from the Sentinel-1A radar satellite data.
The European radar satellite Sentinel-1A has captured the rupture of the recent major earthquake in Napa Valley, California, USA. The quake on 24 August 2014 was the biggest one in 25 years.
Researchers at the University of Padua, Italy, have found satellite-based evidence that the city of Venice keeps sinking.
On 26 April 2012, the Indian Space Research Organisation (ISRO) successfully launched their first indigenously built all-weather Radar Imaging Satellite, RISAT-1.
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