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Erupting Volcano - Pyroclastic Flow  - Video

Natural Disasters - Volcano Great research site for kids.

Google Maps Plot of World Volcanoes

University of Washington Libraries: Digital Collections:

Mount St. Helens Post-Eruption Chemistry Database This collection contains photographs of Mount St. Helens, post-eruption, taken over the span of three years to provide a look at both the human and the scientific sides of studying the eruption of a volcano.

Mount St. Helens Succession Collection This collection consists of 235 photographs in a study of plant habitats following the May 18, 1980 eruption of Mount St. Helens.

Volcanic Features of Hawaii and Other Worlds