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Science

New Giant Volcano Below Sea Is Largest In the World 105

Posted by samzenpus
from the biggest-there-is dept.
An anonymous reader writes "If you're a fan of gigantic volcanoes you'll be happy to know that the biggest volcano on Earth, and one of the biggest in the solar system, has just been discovered under the Pacific Ocean, about 1,000 miles east of Japan. From the article: 'Called Tamu Massif, the giant shield volcano had been thought to be a composite of smaller structures, but now scientists say they must rethink long-held beliefs about marine geology. "This finding goes against what we thought, because we found that it's one huge volcano," said William Sager, a geology professor at the University of Houston in Texas. Sager is lead author in a study about the find that was published this week in the peer-reviewed journal Nature Geoscience. "It is in the same league as Olympus Mons on Mars, which had been considered to be the largest volcano in the solar system," Sager told National Geographic.'"
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New Giant Volcano Below Sea Is Largest In the World

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  • by Anonymous Coward on Friday September 06, 2013 @04:16AM (#44772721)

    It didn't say it was the biggest volcano in the solar system, but one of the biggest. The biggest known one is Alba Mons on Mars, which is a staggering 5.7 million square kilometres in size. Olympus Mons, also on Mars, is in the range of 300,000 square kilometres, so is the Tamu Massif on Earth, so these two volcanoes compete for the #2 spot. Only other places besides Earth and Mars that have or ever had active volcanoes are Venus and Io. Venus's largest (Maat Mons) is less than half the size of Olympus Mons/Tamu Massif, and Io's largest (Inachus Tholus) is only a tenth that.

  • by dido (9125) <dido@@@imperium...ph> on Friday September 06, 2013 @04:20AM (#44772731)

    They're compared in terms of surface area. Both Olympus Mons and the Tamu Massif occupy an area approximately 300,000 square kilometres.

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