alexa Future earthquake risk in Haiti: Startling images of ground motion help scientists understand risk of aftershocks

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Future earthquake risk in Haiti: Startling images of ground motion help scientists understand risk of aftershocks

Analyzing images captured using Synthetic Aperture Radar (SAR) by Japan's ALOS satellite before and just after Haiti's earthquake on Jan. 12, scientists are making new discoveries. The images show that the earthquake rupture did not reach the surface -- unusual for an earthquake this size. More importantly, the images confirm that only the western half of the fault actually ruptured this time. Scientists are interpreting the data to establish the probability of another large quake in the next 20-30 years.

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