Season 30, Episode 5 Volcano's Deadly Warning

First Aired: November 12, 2002

"Volcano's Deadly Warning" explores a seismic shift in the way scientists predict eruptions. The new method: reading seismic signals indicating magma and gas buildup in active volcanoes. "Suddenly you realize that the volcano is speaking to you," says Bernard Chouet of the U.S. Geological Survey, who developed the method. The hour looks at how it worked in predicting eruptions in Alaska and Mexico.

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  • Premiered: March 3, 1974
  • Rating: None
  • Premise: PBS's premier science-documentary series, which has won six Peabody Awards and more than 20 Emmys (four in 2002 alone) since its 1974 debut. `Nova' clearly, and often engagingly, `demystifies' a vast range of science, technology and history topics---past a… (more)

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