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Modified data from the European Space Agency’s Copernicus Sentinel satellites was used to produce the map.
The data was analyzed by scientists at NASA's Advanced Rapid Imaging and Analysis (ARIA) team at the space agency’s Jet Propulsion Laboratory at Caltech. The Earth Observatory of Singapore also participated in the project.
“Maps like this one can help identify badly damaged areas where people may need assistance,” said NASA, in a statement.
On the map, the most severely damaged areas are shown in red and areas moderately damaged are orange. Each colored pixel represents an area of 33 yards, according to NASA.