These images of the Kanaga Volcano show the symmetrical cone which is characteristic of stratovolcanoes. It is also possible to see how the current volcanic edifice has grown inside an older caldera, the remains of ancient Mount Kanaton. References and links to related sites are included. Full description.

This web page describes the history and hazards related to the Mount Hood volcano in Oregon. Issues discussed include past eruptive behavior, past catastrophic events, hazardous areas and tephra hazards. Included are a block diagram of tectonic plates and a simplified volcano hazards zone map for the area around Mount Hood. Full description.

This webquest provides a information and links explaining the different types of volcanoes, lava flow, volcano locations, and volcano damage. There are links for students to research their own questions and a vocabulary list. A teacher page contains associated lesson plan criteria. There are links to building volcano models, virtual volcano field trips, and a volcano quiz. Full description.

This web site illustrates and describes damage from a tragic lahar triggered by rainfall on Casita Volcano, an inactive cone of San Cristobal Volcano, northwestern Nicaragua. When the side of Casita Volcano collapsed on October 30, 1998, more than 2,000 people were killed within minutes as a large lahar swept over the towns of El Porvenir and Rolando Rodriguez. Links are also available to a photoglossary ... Full description.

This web page covers the progress of the early 1960 Kapoho eruption of Kilauea Volcano, Hawaii, and the damage it caused. The eruption caused havoc in lower Puna, an idyllic rural paradise until the lava fountains and flows covered farm land and villages including Kapoho Village and parts of Koa`e Village. During this time, the volcano's summit deflated and eventually collapsed. This page is part ... Full description.

This National Park Service (NPS) website highlights the natural resources of Sunset Crater Volcano National Monument. Topics covered include the geologic history of the area, threatened and endangered species, geologic activity, geologic formations, soils, seeps and springs, and volcanoes and lava flows. There are links for more information on the Colorado Plateau and other lava fields. Full description.

This video segment shows how scientists collaborate to collect and chemically analyze samples of molten lava as part of their quest to learn more about how volcanoes work. Working at Kilauea volcano, scientists collect samples of lava before it has a chance to cool so they can study the chemical properties it had when it was deep within Earth's interior. The samples are sent to a laboratory where ... Full description.

Volcanoes is part of an online series of modules entitled Exploring the Environment. Emphasizing an integrated approach to environmental Earth Science education through problem based-learning, this module asks students to look at four different situations involving volcanoes, research the situations, and make decisions about them. Information about the three volcanic areas under exploration (Mt. Hood, ... Full description.

This interactive slide show provides accounts of eight of history's most deadly volcanic eruptions. These eruptions are from both ancient and modern times, and include such volcanos as Mount Vesuvius, Tambora, Krakatau, Nevado del Ruiz, and Mount Pinatubo. Each slide features an illustration from the event, a written description with the name of the volcano, date, number of casualties, an account ... Full description.

This educational resource describes the science behind volcanoes and volcanic processes. Topics include volcanic environments, volcano landforms, eruption dynamics, eruption products, eruption types, historical eruptions, and planetary volcanism. There are two animations, over 250 images, eight interactive tests, and a volcano crossword puzzle. Full description.