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Novarupta ......


tugmistress

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Posted
  • Location: Scrabster Caithness (the far north of Scotland)
  • Location: Scrabster Caithness (the far north of Scotland)

The most powerful volcanic eruption of the 20th century happened in Alaska at a volcano named Novarupta. Because Novarupta was located so near the Arctic, it did some curious things to Earth's climate. Almost a century after the blast, researchers are beginning to understand what happened........

In June 1912, Novarupta—one of a chain of volcanoes on the Alaska Peninsula—erupted in what turned out to be the largest blast of the twentieth century. It was so powerful that it drained magma from under another volcano, Mount Katmai, six miles east, causing the summit of Katmai to collapse to form a caldera half a mile deep. Novarupta also expelled three cubic miles of magma and ash into the air, which fell to cover an area of 3,000 square miles more than a foot deep.

read the rest here

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Posted
  • Location: Sunny Southsea
  • Location: Sunny Southsea

I thought this was a gag when I saw the name - how naff? - but no, it's genuine. Reminds me to check Arctic/Alaskan volcanicity trends in relation to local temperature variations...

Tks, TugM.

;)P

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Posted
  • Location: Mytholmroyd, West Yorks.......
  • Weather Preferences: Hot & Sunny, Cold & Snowy
  • Location: Mytholmroyd, West Yorks.......

Thanks for that Tuggy, Interesting eh?

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Posted
  • Location: Scrabster Caithness (the far north of Scotland)
  • Location: Scrabster Caithness (the far north of Scotland)

it certainly made for interesting reading, even if i don't understand it all :lol:

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Posted
  • Location: SE London
  • Location: SE London

interesting reading there Tuggy, can't even imagine anything greater than St Helens, let alone 30 times bigger than it. the environmental issues it created were quite trmendous, but i should imagine that sort of explosion today would have far greater an impact in our more populated planet.

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