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NASA Shows New Tongan Island Made of Tuff Stuff, Likely to Persist Years | by NASA's Marshall Space Flight Center
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NASA Shows New Tongan Island Made of Tuff Stuff, Likely to Persist Years

In late December 2014, a submarine volcano in the South Pacific Kingdom of Tonga erupted, sending a violent stream of steam, ash and rock into the air. The ash plumes rose as high as 30,000 feet (9 kilometers) into the sky, diverting flights. When the ash finally settled in January 2015, a newborn island with a 400-foot (120-meter) summit nestled between two older islands – visible to satellites in space.

 

The newly formed Tongan island, unofficially known as Hunga Tonga-Hunga Ha'apai after its neighbors, was initially projected to last a few months. Now it has a 6- to 30-year lease on life, according to a new NASA study.

 

Image credit: NASA/Damien Grouille/Cecile Sabau

 

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Taken on June 5, 2017