A team of scientists is reportedly working to obtain the sharpest pictures ever taken of the Cascadia subduction zone – a fault line that runs for seven hundred miles off the coast of the Pacific Northwest. The subduction zone, which has been the site of some of North America's largest earthquakes and the Earth's past "megathrust" earthquakes, has been strangely quiet, with almost no seismic activity detected. To investigate Cascadia's Oregon and British Columbia portion and the reason for this lull, Columbia University led a team of researchers – including students – from the University of Texas Institute for Geophysics,...