General volcanic eruption information

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USGS Volcano Hazards Program (LINK)

Volcanoes: Can We Predict Volcanic Eruptions?  From Annenberg (LINK)

Global Volcanism Program, from the Smithsonian and USGS (LINK)

Alaska Volcano Observatory (LINK)

VIDEOS:  Center for the Study of Active Volcanoes, Univ. of Hawaii (LINK)
VIDEOS:  Several are available on the USGS YouTube Channel (LINK)
VIDEOS:  Search for "volcano" on Discovery Channel YouTube site (LINK)
VIDEOS:  Search for "volcano" on the National Geographic YouTube site (LINK)