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Satellites Measure Earth Movement Down to the Millimeter

Posted December 27, 2016 12:00 AM by Engineering360 eNewsletter

The satellites, launched by the European Space Agency (ESA), take successive radar images of the same location, which are then combined to reveal the tiniest of shifts. The new automatic radar service monitoring Europe's seismic regions covers an area of three million square kilometers in 200-meter blocks.


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Guru

Join Date: Apr 2010
Posts: 6151
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Re: Satellites Measure Earth Movement Down to the Millimeter

12/31/2016 2:42 PM

That's pretty impressive given that the earth (dry land) moves more than that due to tidal forces from the sun and moon.

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