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New space-based satellites show how much the Earth moved during the Chile earthquake

from Business Insider

After a massive 8.3 earthquake rocked Chile's northern coast, scientists immediately began analyzing satellite images taken before and after the temblor to get a good idea of how far the ground moved. This technique — called Synthetic Radar Aperture Interferometry (InSAR) — combines before and after satellite images into colorful maps — called interferograms. more


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