Definitions, facts, charts, activities, crafts, quizzes, and diagrams for teaching and learning about volcanoes.

Types of volcanic eruptions are named after actual volcanoes. View the eruptions of these volcanoes.

Read about the eruption of Mt. St. Helen's. Includes first-hand descriptions by geologists. Also includes a table which lists other notable volcanic eruptions that have happened in the 20th century.

A full-featured investigation of volcanoes that answers questions about our ability to predict eruptions. Site begins with a review of the fundamentals (defines lava, magma, and related terms and describes how volcanoes form) and then...

Young scholars can form conclusions about the location and formation of volcanoes by viewing pictures and maps. These pictures show eruptions, plumes of smoke, and an underwater volcano. The map shows the location of volcanoes in the...

Learn about the role volcanoes have played in shaping the Earth by engaging in interactive activities such as building a volcano or learning about the lava, water vapor, and gases that erupt from volcanoes.

Students observe an in-classroom visual representation of a volcanic eruption. The water-powered volcano demonstration is made in advance, using sand, hoses and a waterballoon, representing the main components of all volcanoes. During...

A slideshow of images shows how people in Indonesia have been affected by the recent eruption of a volcano.

Investigate volcanoes with this interactive site containing a virtual field trip and other activities.

Current activity among Alaska's volcanoes is reported at this detailed site. Kamchatka Peninsula's volcanoes also receive attention. Location of active and dormant volcanoes are plotted, images of activity are regularly updated via...

[Free Registration/Login may be required to access all resource tools.] Covers volcanoes, and the different types of eruptions that can occur from them.

This is an online book about Hawaiian volcanoes. You can learn about the past, present and future of the Hawaiian volcanoes.

Explanation of the factors that result in the formation of volcanoes, some basic but helpful animations and photographs.

table of 20th century eruptions. The dates are in chronological order starting with the most recent. Each eruption has a link and a description.

Iceland has been on the watch for potential disaster caused by volcanic explosions. Read about the current risks and view video of the eruptions from the Bardarbunga volcano.

Learn how scientists measure the size of a volcanic eruption. After viewing a recreation of the volcanic eruption of Mount St. Helens, you will be challenged to rate it using the volcanic explosivity index (VEI).

Read an illustrated description of how an undersea volcanic eruption formed the Caribbean island of Montserrat. Includes a lengthy description of volcanic processes and defines many volcanic terms, such as lahar, tephra, and pyroclastic...

The sequence of events that occurred during the time leading up to the eruption of the Krakatau Volcano. Also lists details of the aftermath of the eruption.

All the information that you would ever want to know about Mt. Saint Helens. There is a massive number of links to current information, background information, items of interest, eruption history and the May 18, 1980 eruption.

Extensive information on Mt. Rainier in Washington. Links to current information, background information, visit a volcano, items of interest, publications and reports, educational outreach, menus of interest and useful links.

[Free Registration/Login may be required to access all resource tools.] Different types of eruptions create different types of volcanoes.

Tambora of Indonesia had one of the deadliest eruptions since 1500. You will learn about the volcano and you can link to other related items.

[Free Registration/Login may be required to access all resource tools.] Effusive eruptions are relatively mild eruptions that produce lava flows.

The Lanzarote volcanic mountains erupted in 1700, destroying many villages. Read about the eruptions at this site.