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12 grade volcano unit 14

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  • Why did the scientists study Nyiragongo’s rocks and gases?
    To predict when the volcano might erupt again
  • Who joined Dario Tedesco to study the volcano?
    U.S. volcanologist Ken Sims
  • What dangerous feature did the scientists see inside the crater?
    A huge lake of bubbling lava
  • Why were gas masks necessary at the campsite?
    The air around the crater was toxic
  • What is a “zero-age sample”?
    Freshly cooled lava taken from the edge of the lava lake
  • Why was the lava lake especially frightening?
    It released deadly gases and extreme heat
  • What happened during the 1977 eruption of Nyiragongo?
    Lava raced down the mountain and killed several hundred people
  • How could Sims’s mission help the people of Goma?
    It may help them prepare for future eruptions
  • Why do scientists believe another eruption will happen?
    Nyiragongo is extremely active and eruptions are inevitable
  • Why is a zero-age sample important to scientists?
    It helps them date rocks and predict eruptions
  • Why was Ken Sims chosen to collect the lava sample?
    He had both climbing skills and scientific knowledge
  • Why is Goma considered one of the most dangerous cities in the world?
    It lies at the base of the very active Nyiragongo volcano
  • What damage did the 2002 eruption cause in Goma?
    It destroyed thousands of homes and forced many people to flee
  • How did Sims feel when he reached the lava lake?
    Amazed and emotional
  • What danger did Sims face while climbing the lava cone?
    His shoe began melting from the heat
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