The R/V Marcus G. Langseth, owned by the National Science Foundation and operated by Lamont-Doherty, is the U.S. academic community’s premier research ship for studying the sub-seafloor using seismic pulses. It recently imaged the tectonic zone off the U.S. Northwest, which is capable of producing giant earthquakes and tsunamis. http://blogs.ei.columbia.edu/2012/07/09/investigating-the-world%E2%80%99s-oceans-pole-to-pole-and-deep-below-the-bottom/
