"Satellite interferometric synthetic aperture radar measurements show that the January 12 earthquake ruptured a segment of the fault extending from the epicenter westward over a length of about 40 kilometers (25 miles), leaving the section of the fault in this image unruptured. The earthquake has increased the stress on this eastern section of the fault south of Port-au-Prince and the section west of the rupture. This has significantly increased the risk of a future earthquake, according to a recent report by the US Geological Survey," the JPL team writes on its official website.
This is the first of a series of observations that will be conducted above Haiti. The map will be merged with others that will be obtained through similar processes. The purpose for that is to use a technique called interferometry to analyze the differences that occur in this region during the time frame that elapses between the moments each of the images are taken. "The interferometric measurements will allow scientists to study the pressures building up and being released on the fault at depth," JPL experts add.
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