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Volcanoes
Vents in the surface of the Earth through which magma and associated gases erupt; also, the forms or structures, usually conical, that are produced by the erupted material. [Glossary of Geology, 4th ed.]
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Volcano Hazards Program [More info]
Homepage for USGS Volcano Hazards Program with feature stories, and links to worldwide volcano updates, volcanic hazards, reducing volcanic risk, USGS international programs, and resources such as educator's page, videos, and online reports.
Volcanoes [More info]
This booklet presents a generalized summary of the nature, workings, publications, and hazards of the common types of volcanoes around the world, along with a brief introduction to the techniques of volcano monitoring and research.
Volcanoes of Hawaii feature stories archive [More info]
Archive of feature stories on volcanic features on the Big Island, guided tours of Hawaii Volcanoes National Park, eruptions and eventful earthquakes, and other topics about the work of scientists at the Hawaiian Volcano Observatory.
Volcanoes of Hawaii photo gallery [More info]
Images of Hawaiian volcanoes and the islands they've built in the past few million years, and images of recent eruptions.
Volcanoes of the United States [More info]
Booklet detailing plate tectonics, eruptions, hazards, and monitoring of U.S. volcanoes with black and white photos.
PDF Alaska volcanoes guidebook for teachers [More info]
The lessons and activities in this guidebook are meant to supplement and enhance existing science content already being taught to Alaskan students in grade levels 6-12.
Cascades Volcano Observatory - Learn about volcanoes [More info]
Educational volcano site providing answers to frequently asked volcano questions with links to other general information on volcanoes and to information on specific volcanoes including the Cascade Range volcanoes.
PDF Eruptions of Hawaiian volcanoes - past, present, and future [More info]
Originally published in 1987, this general-interest booklet has been revised in anticipation of the Centennial of the Hawaiian Volcano Observatory (HVO) in January 2012.
PDF Geologic hazards at volcanoes [More info]
Poster diagram showing the various hazards that accompany volcanic activity as they relate to the structure of the volcano.
Most recent updates for U.S. volcanoes [More info]
Short descriptions of recent volcanic activity in the US.
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