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Lassen Peak, California
This site contains information about Lassen Peak, a stratovolcano with a volcanic dome in the Cascade Range. The site features links to all aspects of the volcano, such as its geographic setting, and geologic and eruptive history. The site explains that it is one of the youngest major Cascade volcanoes and that most of the mountain is a single mass of dacite rock, emplaced in a relatively short time. It is also the only volcano in the 48 conterminous United States, besides Mount St. Helens, to have erupted in the 20th century. Links labeled 'Special Items of Interest' include information about volcanic highlights and features, and points of interest. Other links lead to maps, graphics, images, publications, reports, and other items of interest involving this volcano and others.
Intended for grade levels:
  • Middle (6-8)
  • High (9-12)
Type of resource:
  • Portal:
    • Government
  • Geographical Sciences:
    • Physical geography
  • Geological Sciences:
    • Geology
  • Natural hazards
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
The maps, graphics, images, and text found on our website, unless stated otherwise, are within the Public Domain. You may download and use them. Credit back to the USGS/Cascades Volcano Observatory is appreciated. If any material is referenced , Image courtesy of ... or Information courtesy of ..., etc., then please contact that source for permission for use.
DLESE Catalog ID: DLESE-000-000-006-074
Educational standards:
  • National Science Education Standards (NSES):
    • 5-8:
      • D - Earth and space science:
        • Structure of the earth system
      • F - Science in personal / social perspectives:
        • Natural hazards
    • 9-12:
      • D - Earth and space science:
        • Energy in the earth system
        • Origin and evolution of the earth system
      • F - Science in personal / social perspectives:
        • Natural and human-induced hazards
Related resources:
This resource is part of 'Cascades Volcano Observatory'
Resource contact / Creator / Publisher:
Publisher: United States Geological Survey Cascades Volcano Observatory