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Watch NOVA Season 30 Episode 5 Online

  • 7.1/10
  • Subtitles: English

In January 1993, six scientists and three hikers were scalded and crushed to death when they ventured into the smoking mouth of the active volcano Galeras in Colombia, confident that no eruption was imminent. This program tells the gripping story of this controversial field trip and the quest to predict when volcanoes will blow.