Caltech researchers introduce a new seismic technology called distributed acoustic sensing (DAS) to study earthquakes and Earth's interior.
Deep beneath our feet, a mysterious boundary separates Earth’s brittle crust from its flowing mantle. This boundary, known as the Mohorovičić discontinuity or Moho, has long intrigued scientists. Caltech researchers have introduced a new seismic technology called distributed acoustic sensing .
“The Moho is a really interesting boundary for seismologists because it tells us what’s happening within and between tectonic plates at depth,” said James Atterholt, who is now a postdoctoral fellow at the United States Geological Survey. DAS will allow researchers to map the Moho’s structure with high resolution over vast areas. This could provide detailed insights into this crucial geological boundary.
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