Explore this mountain range region that runs from Canada to Mexico through a colorful map and a detailed description. Link to the region's major volcanoes.

Includes a description, links to volcanic sites in Arizona, and maps and graphics.

Offers a photo of a shield volcano located in Oregon.

Investigate current activity and background info, and link to places of interest in California.

Find out what's going on in the Cascade Range in terms of background seismicity. Review past updates for a more thorough history.

USGS monitoring station presents news and reports on the recent seismic activities of this group of volcanic peaks. Learn about past eruptions.

Chronicles the history of flood basalt eruptions that spread across Washington, Oregon and Idaho.

Examine photos and satellite images of this lava flow in Idaho's Snake River Plain.

Details the eruption of this volcano located in the Cascade Mts. Includes photos, historical data, and some conclusions about the event.

Photographs and information on the 1992 eruptions of Mount Spurr Volcano, Alaska, with pictures and a glossary of volcanology terms.

Discover this park in the Cascade Mts. which is home to several volcanic features. Find historical and geological content and info for visitors.

Describes the formation of this seismically active caldera in California, which includes Mono Lake. Also provides photos and diagrams.

Located in northern Washington state. Includes photos and a brief geologic history of this volcano.

Peruse photos and aerial images of Mt. Rainier, the highest volcano in the Cascade Mountains. Located in Washington state.

First get some background info, then visit one of the listed volcanoes in New Mexico. Study a map and graphics.

Study this map of Washington, Oregon, California, Idaho, Montana, Wyoming, Nevada, Utah, Arizona, Colorado, and New Mexico, to locate potentially active volcanoes.

Discover news, maps, research projects, photos and reports for volcanoes in Washington, Oregon and northern California.

Cascades Volcano Observatory guide covers the mountain range's current activity, volcanoes

US Geological Survey page offers a photo and map tour of US volcanoes, as well as brief activity summaries for each location.

Provides diagrams of the Snake River Plain, and describes the caldera that lies beneath Yellowstone National Park.