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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 (7)

  • 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)
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    Deconstructing History: Golden Gate Bridge

    Video Clip (3:23)

    Get the facts about one of the world's most beautiful bridges.

    Video Clip (3:23)
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    Gold Rush

    Video Clip (2:37)

    Discover how the Gold Rush led to the creation of California.

    Video Clip (2:37)
  • San Francisco Cable Cars
    San Francisco Cable Cars

    Video Clip (2:18)

    Engineers developed cable cars as a pain-free way to navigate San Francisco's 43 grueling hills.

    Video Clip (2:18)
  • 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)
  • Mega Disasters: California Katrina
    Mega Disasters: California Katrina

    Video Clip (2:42)

    If snow from the Sierra Mountain peaks were to melt a surge of water could engulf California.

    Video Clip (2:42)

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

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Read More about San Francisco Earthquake of 1906

On April 18, 1906, a devastating earthquake shook San Francisco in the early morning hours, leaving the city in shambles.

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