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You are browsing the archive for Mount St. Helens Archives - AGU Blogosphere.

5 February 2014

Stunning HD videos show volcanoes erupting … gorgeously

As the Tectonic Plates bend, creak, snap, and rattle in earthquakes, blobs of heated rock rise through them from within and punch through the surface, puffing out vast clouds of rock dust and volatile gas, and pouring out mounds upon mounds of hardening molten rock. Volcanoes may fall under the purview of some other realms of the blogosphere, but a spate of recent videos are just too stunning (and informative!) …

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18 May 2010

Big Pictures: Space Shuttle and Mount St. Helens

The Big Picture has been on a roll lately, with two sets of particular interest to planetary and space-types. First, is the feature on the final launch of the space shuttle Atlantis last week: Second, today is the 30th anniversary of the explosive eruption of Mount St. Helens, and there are some amazing photos that show the devastating power of a volcanic eruption:

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