A Closer Look at Earthquakes
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Watch this video about earthquakes on HowStuffWorks. The 1906 earthquake is one of the strongest in California's history and geologists are learning more and more about how the earth's mantle shifts... (more info)

Watch this video about earthquakes on HowStuffWorks. The 1906 earthquake is one of the strongest in California's history and geologists are learning more and more about how the earth's mantle shifts and squeezes, ultimately resulting in earthquakes. See how earthquakes work in this video from UC Davis' NewsWatch.

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