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Ground Deformation from the Napa Valley Earthquake

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The European Space Agency’s Earth-monitoring Sentinels collected radar interferometry of the Napa Valley before and after the recent earthquake, highlighting ground deformation. Ground-truthing of surface ruptures is drawing a surprisingly complex picture of valley faults.

http://blogs.kqed.org/science/2014/09/02/napa-quake-forces-redrawing-of-fault-maps/

For more uses of radar interferometry, check out these unstable slopes in South America.

https://gizmodo.com/sentinel-satellite-reveals-the-aftermath-of-napas-earth-1629586029

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