This is a site of crustal structural data based on the research programs
Research Program of Subduction Dymamics (1997-2001), the first
phase of IFREE (Institute for Frontier Research on Earth Evolution,
2002-2004), the second phase of IFREE (Institute For Research on Earth
Evolution, 2004-2009), and the third phase of IFREE (Institute For Research
on Earth Evolution, 2009-2014), CEAT (Research and Development Center for Earthquake and Tsunami, 2014-). Categories of accessible
data are Multi-Channel Seismic reflection data (MCS), refraction
and wide-angle seismic reflection data by Ocean Bottom Seismograph.
Please see the JAMSTEC site policy and "Basic Policies on the Handling of Data and Samples" about the document and dataset of this site. Generic Mapping Tools [Wessel and Smith, 1991]
is used to make maps in this site.