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May 25, 2017

Alaska poses unique challenges for crews installing 260 seismic stations

  • The array of seismometers will help the government map the Earth's upper crust beneath North America.
    Associated Press

    Incorporated Research Institutions for Seismology via AP [enlarge]
    This seismic station at Anaktuvak Pass in Alaska sends out earthquake information in real time. A seismometer rests at the bottom of a borehole and a fiberglass hut protects it and other equipment.

    ANCHORAGE — Alaska averages 40,000 earthquakes per year, with more large quakes than the other 49 states combined, and America's shakiest state is about to have its ground examined like never before.

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