Educational Resources

Crater Lake National Park, Oregon

NPS photo.

Investigating Volcanoes

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  Volcano Lessons from Parks
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  Anatomy of a Volcano
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  Volcano Types in Parks
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  Volcano Photo Albums
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  Volcanic Places—Park Case Studies
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  Glossary of Volcanic Terms

Geology—Reading the Rocks

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  Igneous Rocks
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  Geologic Map Gallery—Volcano Parks

  Geologic Resources Inventory

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  Park Geology Albums—Volcano Parks

  Geologic Resources Inventory

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  Geologic Reports—Volcano Parks

  Geologic Resources Inventory

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  Glossary of Geologic Terms

  Geologic Resources Inventory

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  Geodiversity Atlas—Volcano Parks

Geoheritage Connections

Geologic Heritage encompasses the significant geologic features, landforms, and landscapes characteristic of our Nation which are preserved for the full range of values that society places on them, including scientific, aesthetic, cultural, ecosystem, educational, recreational, tourism, and other values.

Geologic sites in your community or near your school are important because they provide insights into local and regional Earth history and processes. Undesignated geologic heritage sites near where people work, live, and play provide countless opportunities to touch nature and enjoy the outdoors.

Geology in Your Backyard

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  Physiographic Provinces
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  Province Map Galleries
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  State Geologic Maps

America's Geoheritage

Geologic Concepts

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  Geologic Time
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  Rocks and Minerals
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  Fundamental Geologic Principles

Plate Tectonics and Volcanoes

Geoscience Education Partners

• American Geosciences Institute | https://www.americangeosciences.org/

• American Geosciences Institute—Educational Resources | https://www.americangeosciences.org/education/resources

• Earth Science Literacy Initiative | www.earthscienceliteracy.org

• Earth Science Week | https://www.earthsciweek.org/

• National Fossil Day | https://www.nps.gov/subjects/fossilday/index.htm

• U.S. Geological Survey | www.usgs.gov/start_with_science

  • USGS Volcano Observatories

  • USGS volcano related fact sheets

Related Links

• National Park Service Geodiversity Atlas

• NPS Geology—Park Maps

Site Index and Credits

Volcanoes, Craters & Lava Flows—Site & Articles Index

[Site Under Development]

Volcanoes, Craters & Lava Flows [Home Page]

• About Volcanoes [Current Page]
   

  • Volcanic Processes

    • Volcanic Eruptions

      • Eruption Classifications

        • Volcanic Eruption Types (Article Series)

          1. Magmatic Eruptions (Article)

          2. Phreatomagmatic (Hydrovolcanic) Eruptions (Article)

          3. Phreatic Eruptions (Article)

        • Volcanic Eruption Styles (Article Series)

          1. Hawaiian-style Eruptions (Article)

          2. Strombolian Eruptions (Article)

          3. Vulcanian Eruptions (Article)

          4. Sub-Plinian Eruptions (Article)

          5. Plinian Eruptions (Article)

          6. Ultra-Plinian Eruptions (Article)

      • Volcanic Explosivity Index

      • Volcanic Blasts

      • Historic & Prehistoric Eruptions

    • Lahars (Article)

    • Landslides (Article)
       

  • Volcanoes & Volcanic Landforms

    • Types of Volcanoes

      • Volcano Types (Article Series)

      1. Cinder Cones (Article)

      2. Composite Volcanoes (Stratovolcanoes) (Article)

      3. Shield Volcanoes (Article)

      4. Calderas (Article)

         1. Explosive Calderas (Article)

            • Summit Calderas (Article)

            • Resurgent Calderas (Article)

            • Older Caldera Complexes (Article)

         2. Nonexplosive Calderas (Article)

      5. “Super Volcanoes” (Article)

      6. Domes (Article)

      7. Maars & Tuff Rings (Article)

      8. Fissure Volcanoes (Article)

      9. Volcanic Fields—Momogenetic (Article)

    • Volcanic Landscapes

      • Volcanic Places—Case Studies (Article Series)

        1. Volcanic Resources Summary—Capulin Volcano National Monument (Article)

        2. Volcanic Resources Summary—El Malpais National Monument (Article)

        3. Volcanic Resources Summary—Lassen Volcanic National Park (Article)

    • Erosional Volcanic Landforms

1. Volcanic Necks and Plugs (Article)

2. Volcanic Inverted Topography (Article)
    

• Craters & Other Volcanic Features

  • Volcanic Features (Article Series)

    1. Volcanic Craters (Article)

    2. Vents (Article)

    3. Crater Lakes (Article)

    4. Lava Lakes (Article)

    5. Fumaroles (Article)

  • Geothermal Features
     

• Lava Flows & Other Volcanic Deposits

  • Lava Flows

    • Basaltic Lava Flows

      • (Article Series)

      1. Lava Flow Forms (Article)

      2. Lava Flow Surface Features (Article)

      3. Lava Tubes

      4. Inflation Structures, Lava-Rise Plateaus & Inflation Pits (Article)

      5. Pillow Basalts (Article)

      6. Tree Mold Fossils (Article)

      7. Kipukas (Article) 

    • Block Flows (Article)

    • Columnar Jointing

    • Domes (Article)

  • Pyroclasts & Pyroclastic Rocks

    • Pyroclastic Flows and Ignimbrites, and Pyroclastic Surges (Article)

    • Volcanic Ash, Tephra Fall, and Fallout Deposits (Article)

• Igneous Rock

• Plate Tectonics and Volcanoes

• Stories from Around the NPS

• Volcanic Geoheritage

  • World Heritage Volcanoes

  • National Trails [in Volcanic Terrain]

  • National Natural Landmark Volcanoes

  • Volcanic Legacy Scenic Byway

  • Historic & Prehistoric Eruptions

  • Traditional Knowledge of Prehistoric Eruptions

• Be GeoHazard Aware 

• Visit Volcanic Parks

  • Volcanic Parks—Master List

  • Primary Volcanic Parks

  • Volcano Types in Parks

  • Volcanic Places—Case Studies (Article Series)

  • Historic & Prehistoric Eruptions

  • Volcanic Parks in the NPS—A Quick History

  • Volcanic Points of Interest in Parks and NNLs

• Educational Resources

  • Anatomy of a Volcano

  • Photos & Multimedia

Volcanoes, Craters & Lava Flows (2022) [Site Under Development]

Text by Allyson C. Mathis (geologist / science writer). Contributors: Tom Casadevall (USGS), Tim Connors (GRD), Ed Robeck (AGI), Vincent Santucci (GRD), Trista Thornberry-Ehrlich (CSU). Project lead / web development: Jim Wood (GRD).

Produced under a Cooperative Agreement for earth science education between the National Park Service's Geologic Resources Division and the American Geosciences Institute.

Citing pages from NPS websites:

National Park Service (Year, Month date—from "last update" at the bottom of the webpage). Page title—from the top of the webpage, but in sentence-case and italics. NPS.GOV. Https://www.nps.gov/subjects/volcanoes/...—Use the full address of the webpage you're citing with no puncuation after the address

References

• Walkup, L.C., T.J. Casadevall, and V.L. Santucci, 2017. Born of Fire: In Search of Volcanoes in U.S. National Parks, Four Striking Examples. Earth Sciences History Vol. 36, No. 2, 2017 pp. 197–244. https://irma.nps.gov/DataStore/Reference/Profile/2247733

• USGS Volcano Observatories

• NPS Geologic Resource Inventory—Products

• Plate Tectonics & Our National Parks