Imaging the mantle transition zone beneath Hawaii from seismic Ps receiver functions

Matthew R Agius, Università Degli Studi Roma Tre, Dipartimento di Scienze, Rome, Italy, Catherine Rychert, Woods Hole Oceanographic Institution, Ocean and Earth Science, Woods Hole, MA, United States, Nicholas Harmon, University of Southampton, Ocean and Earth Science, Southampton, United Kingdom and Gabi Laske, University of California San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States