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volcanic landforms

Volcanic Landforms
Image: iStockphoto.com/alessia_panfili

Volcanic Landforms

Domes and hot springs and cones…oh my! Explore the major types of landscapes that volcanic activities create.

Find out which is steeper — composite or shield volcanoes — and why you should know the difference between a cinder cone and a lava dome.

Tulane University
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Build a Volcano

Build a Volcano

Choose the type of lava and the amount of water, and stand by to see what erupts. You’ll discover how character and style can apply to volcanoes. More...

Interactive
Natural History Museum, London
Shield Volcanoes

Shield Volcanoes

One thing Earth and Mars have in common is shield volcanoes. Learn why these are not the most explosive type and what causes the shield-like shape to build up. Runny lava, anyone? More...

Article
BBC
Anatomy of a Volcano: Lava Dome

Anatomy of a Volcano: Lava Dome

When it’s too viscous to ooze very far from a volcanic vent, the lava mounds into a dome -- sometimes piling up hundreds of feet high. See for yourself. More...

Article
PBS
Cinder Cone Volcanoes

Cinder Cone Volcanoes

A crack belching ash and smoke in a Mexican cornfield grew into a 500-foot mountain within one week. Watch this cinder cone volcano take shape. More...

Video
Discovery
Composite Volcanoes

Composite Volcanoes

Known for catastrophic eruptions between periods of calm, composite volcanoes spewing rock, hot ash, and poisonous gas do some serious damage. Discover what Mt. Vesuvius’s explosion did in 79 AD. More...

Video
Discovery
Flood Basalt Eruptions

Flood Basalt Eruptions

Picture this: Lava erupts for millions of years, spreads over hundreds of miles, and releases great amounts of gases, while building landforms and changing climate. Now that’s a flood basalt eruption! More...

Video
BBC
Landforms Associated with Volcanoes

Landforms Associated with Volcanoes

How well do you know your calderas? Find out with this five-question quiz on volcanic landforms. More...

Interactive
Pearson Education
The Biggest and Weirdest Maars on Earth

The Biggest and Weirdest Maars on Earth

Dive into the creation of a maar, a crater formed when rising magma reaches groundwater and causes a violent steam explosion. Learn the locations of the largest maars on our landscape. More...

Article
LiveScience
Volcanoes: Geysers, Fumaroles, and Hot Springs

Volcanoes: Geysers, Fumaroles, and Hot Springs

For a spectacular display of energy unleashed from the ground, turn to Old Faithful Geyser in Yellowstone National Park. Find out about other types of waters heated and released by volcanic activity. More...

Article
U.S. Geological Survey
What Is a Caldera?

What Is a Caldera?

A huge hole in the ground can come about in many ways, but only an explosive eruption or a volcanic collapse can create a caldera. Find out which popular national park sits right on top of one. More...

Article
Geology.com

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