USGS Cascades Volcano Observatory

News and information on the Cascades Volcanoes with links to new publications, current information, photos, maps, links, plus brief eruptive history of each volcano. Includes updates on the current status of the Cascade Range Volcanoes including Mount St. Helens. World-wide current volcanic activity. Hazads assessment reports and maps. Educational materials for students and teachers. America's volcanic past. What to do if a volcano erupts. Information and Maps to the Cascade Range. Travel and Hiking Information. Links to other Agencies. National Parks, Volcanic Monuments, and National Forests.