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Science 28 June 1996:
Vol. 272. no. 5270, pp. 1870 - 0
DOI: 10.1126/science.272.5270.1870
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News

Richard A. Kerr

Most methods for observing the motions of Earth's crust are planted firmly on the ground or even below it, but researchers have now perfected a space-based technique, an orbiting radar that can reveal even a few centimeters of crustal deformation. The forces behind such minute changes are the same as those that drive massive earthquakes, so the precise measurements made by synthetic aperture radar interferometry will help geophysicists study the workings of deep faults.




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