Subduction initiation at the corner of small oceanic basin
Miao Dong,
Tianyao Hao,
Yue Li
et al.
Abstract:In Southeast Asia, emerging subduction zones often appear to begin at
the corners of small oceanic basins, which have a triangular-indenter
continent–ocean boundary geometry. To investigate the influence of a
triangular indenter on subduction initiation, we performed a series of
three-dimensional numerical simulations with varying indenter angles and
base lengths. The results show that the apex of the indenter constitutes
the initial location of subduction, irrespective of the angle or the
extent of the indent… Show more
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