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This terrifying map shows how much the earth moved during the Nepal earthquakes

 
411
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User ID: 69140308
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05/19/2015 06:33 PM
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This terrifying map shows how much the earth moved during the Nepal earthquakes
I personally wouldn't call it terrifying but whatever. Good info. anyway.


The Gorkha earthquake changed the shape of the Earth—literally—by raising up and dropping landscapes by several meters. Along a 90 by 30 kilometer (55 by 20 mile) swath of land in Nepal, a fault along the edges of the Indian and Eurasian tectonic plates slipped as much as 6 meters (20 feet).

The release of stress in Earth's crust had devastating effects felt in Nepal, India, China, and Bangladesh. Satellite and ground-based sensors are now revealing the extent of the jolt.

In the days before and after the event, the synthetic aperture radar (SAR) instrument on the European Space Agency's Sentinel-1A satellite acquired observations of the displacement of land in Nepal and surrounding regions.

On each pass, Sentinel-1 measured the distance between itself and the ground, at a slight angle. Scientists at the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt, or DLR) assembled those new SAR measurements and compared them to previous radar passes over the same area. The results are shown in the land displacement map.....


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411  (OP)

User ID: 69140308
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05/19/2015 09:01 PM
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Re: This terrifying map shows how much the earth moved during the Nepal earthquakes
eq
"Necessity is the plea for every infringement of human freedom. It is the argument of tyrants; it is the creed of slaves." --William Pitt





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