The Physical Environment

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Volcanic Landforms

Volcanic Landforms

ReviewCrater Lake

Use the links below to review and assess your learning. Start with the "Important Terms and Concepts" to ensure you know the terminology related to the topic of the chapter and concepts discussed. Move on to the "Review Questions" to answer critical thinking questions about concepts and processes discussed in the chapter. Finally, test your overall understanding by taking the "Self-assessment quiz".

Additional Resources


Volcanism Earth Revealed (Annenberg/CPB) from the site: "Volcanoes provide clues about what is going on inside Earth. Animations illustrate volcanic processes and how plate boundaries are related to volcanism. The program also surveys the various types of eruptions, craters, cones and vents, lava domes, magma, and volcanic rock. The 1980 eruption of Mount St. Helens serves as one example."   Go to the Earth Revealed site and scroll to "Volcanism". One-time, free registration may be required to view film.

"Volcanoes" - Talk of the Nation - Science Friday (NPR) segment from August 2, 1996 explores how and where volcanoes form and how to predict eruptions with geologists from the Cascade Volcano Observatory and others. (RealAudio required)

Underwater Lava "Host Noah Adams talks with Christopher Fox, of the National Oceanic and Atmospheric Administration (NOAA) about underwater equipment that was monitoring a nearby volcano. It got covered with molten lava, but is still working. The instrument records pressure and temperature variations -- it also has a camera, and captured the eruption in movie form, viewable under the title 'lava flow animation' on". (4:00)


Tracking a Volcano (NASA EOS)  Volcanologists use satellites to measure the average temperature of  lava flows and determine the rate at which the magma is coming out of the ground.

Web Sites

Anatomy of Nyriragongo (NOVA - PBS) Explore the main features of Nyiragongo and learn what risks it poses to the 500,000 people who live in its shadow.

Cascades Volcano Observatory (USGS) Wealth of information, photos, data and other reference materials related to volcanoes.

Deadly Volcanoes (NOVA - PBS) Revisit some of the worst volcanic disasters of the past 400 years.

Volcanoes of the World - wealth of information, QTVR, video clips, virtual field trips to volcanoes.

Volcano World - the Web's premier volcano site.



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For Citation: Ritter, Michael E. The Physical Environment: an Introduction to Physical Geography.
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Michael Ritter (
Last revised 6/5/12

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