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U.S. Geological Survey

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    Hydraulic Fracturing

    Scientists spoke about the process of hydraulic fracturing, or fracking, which involves extracting natural gas and oil from rock deposits deep underground. Among the topics thy addressed were…

    674 views
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    A Crack in the Edge of the World

    Simon Winchester talked about his book A Crack in the Edge of the World: America and the Great California Earthquake of 1906, published by HarperCollins. The book is an examination of the…

    462 views
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    Water Use

    Government officials talked about how water is used throughout the country and what still needs to be learned about water use. They also answered questions from the audience.

    1,116 views
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    San Francisco Earthquake

    82 views
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    Drought of 1988

    16 views