Volcanic Tuff - Universe Today

[/caption] When volcanoes erupt, they can blast out lava, hot gasses, rocks and clouds of ash. Some of this ash rises up into the air and can travel for hundreds of kilometers in the air. Other ash pours down the sides of the volcano in great pyroclastic flows. When this ash cools, hardens and forms … Continue reading "Volcanic Tuff"

Diamond Head: Hawaii's Iconic Volcanic Jewel

Follow All of These Earth Scientists on Twitter Right Now

yellowstone Archives - Universe Today

Voice of the Volcano

Yellowstone eruptions plunged Earth into volcanic winter

Yellowstone Volcano Observatory

What Are the Benefits of Volcanoes? - Geology In

Newborn volcanic island in the Pacific has survived five years

volcano Archives - Universe Today

Bunsen the Geochemist: Icelandic Volcanism, Geyser Theory, and Gas