Unwrapped interferogram showing total ground displacement in the line-of-sight of the satellite. Geographic and color sequence explanation added by Temblor. “LOS displacement” label stands for line-of-sight displacement in centimeters. Credit: Mary Grace Bato and Paul Lundgren, NASA JPL-Caltech, ESA

Unwrapped interferogram showing total ground displacement in the line-of-sight of the satellite. Geographic and color sequence explanation added by Temblor. “LOS displacement” label stands for line-of-sight displacement in centimeters. Credit: Mary Grace Bato and Paul Lundgren, NASA JPL-Caltech, ESA

Unwrapped interferogram showing total ground displacement in the line-of-sight of the satellite. Geographic and color sequence explanation added by Temblor. “LOS displacement” label stands for line-of-sight displacement in centimeters. Credit: Mary Grace Bato and Paul Lundgren, NASA JPL-Caltech, ESA

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Alka Tripathy-Lang, PhD

Alka Tripathy-Lang is a freelance science writer based in Chandler, Arizona, and holds a Ph.D. in geoscience.
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