National Geophysical Data Center

Go to Crater Peak, AK 
Mount St. Helens 
Nevado del Ruiz 
Mt. Pinatubo 
Veniaminof, AK 

Teachers Guide to Stratovolcanoes of the World
Questions to Ponder

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Galgunggung, Indonesia:
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Questions to Ponder and Web Resources

How often do aircraft fly through volcanically active regions? Check out FlightTracker for locating aircraft and NOAA's Volcano Ash Advisory Center for information on volcano ash advisories.

If you were caught in a lightening storm on a mountainside, what measures would you take to be safe? (visit the National Lightning Safety Institute)

Learn more about Galunngung from the Smithsonian Institution's Global Volcanism Program web site.

Learn more about volcanoes in Java from the Smithsonian Institution's Global Volcanism Program.

Learn more about ball lightning (St. Elmo's Fire) from Scientific American.