The Next Big One What could we expect if a supereruption were to occur today?
Why Toba Matters NASA's Drew Shindell reflects in this interview on the lessons we can learn.
A Supersized Volcano As this interactive shows, Toba's upheaval dwarfs all eruptions of recorded history.
Blasts From the Past Explore a map of supereruptions around the world.
Watch a Preview Researchers from Indonesia to Greenland unearth clues to the greatest volcanic eruption of the last 100,000 years.
TV Program Description Airing on PBS Tuesday June 10 at 8 pm Links & Books Teacher's Guide E-Mail Bulletin Don't miss upcoming NOVA broadcasts and companion Web sites—subscribe to our e-mail bulletin.
This Web site was produced for PBS Online by WGBH. Web site © 1996-2006 WGBH Educational Foundation
Funding for NOVA is provided by ExxonMobil, David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and public television viewers.
Corporate funding provided by