This media-rich essay from NOVA Online describes the challenges of forecasting volcanic eruptions and includes information about specific cases.

This interactive resource adapted from the National Park Service illustrates the difference between explosive and effusive volcanic eruptions, as well as the hazards that can result, including lahars, tsunamis, and lava flows.

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

[Free Registration/Login may be required to access all resource tools.] How scientists can predict volcanic eruptions.

[Free Registration/Login may be required to access all resource tools.] How scientists can predict volcanic eruptions.

Review volcanoes and volcanic eruptions using this brief review guide.

Learn about the effects of volcanic eruptions.

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

In this activity, students learn how volcanic eruptions affect global climate.

A look at some of the methods and problems with forecasting volcanic eruptions.

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

Wonderful presentation on volcanoes! Why do volcanoes erupt? How do they erupt? What happens to the land? Can volcano eruptions be predicted? Find the answers by clicking on this resource!

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.

Learners will learn about volcanic eruptions, the scientific method, gas saturation, and bubble nucleation by participating in a popular experiment with Mentos candies and soda.

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...

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).

This lesson plan is designed to teach young children about volcanoes by making a model volcano and having it erupt.

A journey into the depths of a volcano teaches students about volcanic rocks, eruptions, features, and locations. Also find out how volcanologists monitor activity and conduct scientific research on eruptions.

Explains what earthquakes and volcanic eruptions are and how they are related.

The volcanic eruption on March 21, 2010, that grounded flights in the UK and Europe, was not the first. In 1783, the Laki eruption wiped out a fifth of the island's population as well as tens of thousands across Europe. This article...

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.

Article explaining the history of our scientific understanding of volcanic activity, ending with questions for students about scientific methods and historical contexts.

The Smithsonian Institute presents a searchable database on volcanoes of the world. Search by region, volcano name, or eruption date. There is also a chronological list of large eruptions during the last 10,000 years.

Site from the U.S. Geological Survey provides a brief list of volcano terminology including descriptions as well as links to major menus.