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Researchers have uncovered a hidden feature beneath the Pacific Ocean that helps explain why Japan's devastating 2011 earthquake and tsunami became so destructive. The discovery also offers new clues that could improve forecasts of future megaquakes and tsunamis.
A new study found that a thin layer of soft, clay-rich sediment beneath the Japan Trench played a critical role in the disaster. Located just below the seafloor, this unusually weak layer allowed the ...
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