●南海トラフ （Park et al., Geophysical Research Letters, 2014）
Time-migrated MCS profile of line 2 showing the fluid-rich décollement. An ODP Site 808 is positioned. Inset: Enlarged sections of seafloor and décollement are shown. Note reverse polarity reflection of the décollement (black-red-black), compared with seafloor (red-black-red). Porosity (red dot) and density (blue dot) measurements at Site 808 are plotted. We observe significant contrasts of the porosity and density measurements around the décollement level.
●南海トラフ （Park et al., Journal of Geophysical Research, 2002; Park et al., Science, 2002; Park et al., Earth and Planetary Science Letters, 2004 など）
Depth migrated MCS profiles showing the splay faults. Subducting oceanic crust is shaded by light blue color. Seaward distribution of the 1944 Tonankai coseismic slips estimated from tsunami (red line) and seismic (blue line) inversions are projected in the profiles. Locations of both the splay fault's initial branching and the décollement stepdown to the top of the oceanic basement are marked in red dotted circles. Green and black arrows show motions of the splay fault slip and the décollement or normal fault, respectively.
●日本海溝 （Tsuru and Park et al., Journal of Geophysical
Research, 2000, 2002 など）