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  • Volcanoes
    • Famous Volcanoes
      • Central Andes (Under Construction)
      • Hawaiian Volcanism
      • Mount Saint Helens
      • Volcanoes of Japan
      • Etna
    • Extraterrestrial Volcanoes
  • For Teachers
    • Teaching Resources
    • Mount St Helens Living Lab
    • Earth Science Lessons
      • Plate Tectonics
      • Rocks and Minerals
      • Prehistoric Earth
  • All About Volcanoes
    • Types of Volcanoes
    • Eruption Styles
    • Submarine Volcanoes
    • Lava Domes
    • Columnar Jointing
    • Hydrovolcanism
    • Volcanogenic Tsunamis
    • Volcanic Minerals
    • Volcanic Gases
    • Volcanic Lightning
    • Volcanic Sounds
    • Volcanic Hazards
  • Learn More
    • Glossary
    • GVP Current Eruption Reports
    • US Volcano Activity Map
    • Volcano Factoids
    • Building Volcano Models
    • Calendar
    • Interviews with Volcanologists
    • Working on Volcanoes
  • Adventures and Fun
    • For Kids
      • Art Gallery
      • Volcano Games
    • Virtual Volcano Fieldtrips
      • Mount St. Helens by Helicopter
      • Virtual Altiplano
      • Virtual Altiplano Bolivia
      • Around Santorini
      • Climbing Mt Asama
      • Driving Kilauea Rim Drive
      • Exploring the Canary Islands
      • Hiking Mount Ijen
      • To the Top of Beerenberg
    • Volcano Folklore
    • Volcanic Parks
    • Volcano Gallery
  • About
    • Contact Us
    • FAQs

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All About Volcanoes

Everything you've ever wanted to know about volcanoes, from the types of volcanoes you can find across the world, to volcanic products, such as minerals and gasses!
Types of Volcanoes
Types of Volcanoes
Learn about the types of volcanoes
Eruption Styles
Eruption Styles
Learn about eruption styles
Volcanic Gases
Volcanic Gases
Learn about the most elusive phase emitted from volcanoes
Volcanic Minerals
Volcanic Minerals
Learn about the solid phase formed during crystallization in the magma bodies below volcanoes!
Submarine Volcanoes
Submarine Volcanoes
Volcanoes... "Under the Sea!"
A summary figure of eruption style based on the magma to water ratio. Figure from Wohletz and McQueen (1983).
Hydrovolcanism
Hydrovolcanism
Some intricacies of magma-water interaction. Figure from Wohletz and McQueen (1983)
An image taken prior to the Soufriere Hills lava dome collapse in 2003. Figure from Voight et al. (2006).
Volcanogenic Tsunamis
Volcanogenic Tsunamis
Volcanoes can cause tsunamis, too? Yep! Figure from Voight et al. (2006).
Lava Domes
Lava Domes
Effectively solid rocks emitted slowly from volcano edifices.
Columnar Jointing
Columnar Jointing
Lava's version of symmetry
Successive images of the Mt St Helens 1980 sector collapse. Courtesy of USGS.
Volcano Sounds
Volcano Sounds
Ever wondered about the sounds that volcanoes make?
Volcanic Lightning
Volcanic Lightning
Turns out that stuff carries a charge!

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administered through the Department of Geosciences at Oregon State University.

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