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Science of Earthquakes (2:32)

Over a million earthquakes occur every year, but most happen in remote areas and on the ocean floor. Find out what causes earthquakes, and how they are monitored. With Dr. Maya Tolstoy of the Lamont-Doherty Earth Observatory, Columbia University.

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Videos (4)

  • Science of Earthquakes
    Science of Earthquakes

    Video Clip (2:32)

    Over a million earthquakes occur every year, but most happen in remote areas and on the ocean floor. Find out what causes earthquakes, and how they are monitored. With Dr. Maya Tolstoy of the Lamont-Doherty Earth Observatory, Columbia University.

    Video Clip (2:32)
  • Mega Disasters: San Francisco Earthquake
    Mega Disasters: San Francisco Earthquake

    Video Clip (2:15)

    Multiple fault lines that run through California put San Francisco at risk for a catastrophic earthquake.

    Video Clip (2:15)
  • Mega Disasters: Earthquake in the Heartland
    Mega Disasters: Earthquake in the Heartland

    Video Clip (2:32)

    An earthquake in Memphis, TN could affect states across the country.

    Video Clip (2:32)
  • Earthquake in the Heartland
    Earthquake in the Heartland

    Video Clip (2:31)

    Mega Disasters takes a look at how bad the ripple effect could be if an earthquake were to happen in Memphis, TN. If the seismic pressure were severe, states across the country could be in turmoil.

    Video Clip (2:31)

Photo Galleries (1)

  • Earthquakes of the New Century
    Earthquakes of the New Century

    8 Photos

    Get the facts on the deadliest earthquakes to rattle the planet since the year 2000.

    (8 Photos)

Read More about Taiwan earthquake of 1999

On September 21, 1999, an earthquake in Taiwan killed thousands of people and caused billions of dollars in damages, leaving an estimated 100,000 homeless.

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