Institution: | Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA;Tohoku University, Aoba, 6-6, Aoba, Sendai 980-8578, Japan;U.S. Geological Survey, Menlo Park, CA 94025, USA;EOST-Institut de Physique du Globe de Strasbourg, 67084 Strasbourg, cedex, France |