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  • Listening to rocks helps researchers better understand earthquakes

    Using a technique called "ambient noise correlation," Illinois seismologist Xiaodong Song, right, and graduate student Zhen J. Xu have observed significant changes in the behavior of parts of Earth's crust that were disturbed by three major earthquakes.

    Using a technique called "ambient noise correlation," Illinois seismologist Xiaodong Song, right, and graduate student Zhen J. Xu have observed significant changes in the behavior of parts of Earth's crust that were disturbed by three major earthquakes.

    Photo by L. Brian Stauffer

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      Using a technique called "ambient noise correlation," Illinois seismologist Xiaodong Song, right, and graduate student Zhen J. Xu have observed significant changes in the behavior of parts of Earth's crust that were disturbed by three major earthquakes.

      Photo by L. Brian Stauffer

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