@article{fdi:010049921,
  title = {{D}eep structures of the {E}cuador convergent margin and the {C}arnegie {R}idge, possible consequence on great earthquakes recurrence interval},
  author = {{G}raindorge, {D}. and {C}alahorrano, {A}. and {C}harvis, {P}hilippe and {C}ollot, {J}ean-{Y}ves and {B}ethoux, {N}.},
  editor = {},
  language = {{ENG}},
  abstract = {{T}he deep structure of the {E}cuador subduction zone and adjacent {C}arnegie {R}idge ({CR}) was investigated using on shore off shore wide angle seimics. {A} crustal model obtained by 2 {D} inversion of traveltimes reveals the overthickened (14 km) oceanic crust of the {CR} that underthrusts the high velocity (sup.6 km/s) basement of the upper plate margin wedge, interpreted as part of the accreted oceanic terranes described on shore. {T}he plate interface dips 4° to 10° east from the trench to a depth of 15 km. {S}hadow zones observed on the margin {OBS} records are interpreted as a low velocity zone consisting of a thin layer of underthrust sediments, and the 3 km thick {CR} layer 2, whose average seismic velocity of 5.1 km/s is slower than that of the margin wedge. {I}ncreased interplate coupling related to the subduction of the thick, buoyant {CR} may account for an apparent local increased recurrence interval between great interplate earthquakes.},
  keywords = {{SUBDUCTION} ; {GEODYNAMIQUE} ; {TECTONIQUE} ; {MARGE} {CONTINENTALE} ; {STRUCTURE} ; {SEISME} ; {EQUATEUR}},
  booktitle = {},
  journal = {{G}eophysical {R}esearch {L}etters},
  volume = {31},
  numero = {{L}04603},
  pages = {5},
  year = {2004},
  DOI = {10.1029/2003{GL}018803},
  URL = {https://www.documentation.ird.fr/hor/fdi:010049921},
}