Extended Data Fig. 4: More detailed lithospheric stress analysis.
From: Non-collisional orogeny in northeast Japan driven by nearby same-dip double subduction
This analysis involves: Deviatoric normal stress components, the second invariant of the deviatoric stress (square root), and the maximum horizontal compressive stress axes for: a, the reference single subduction model, b, the reference double subduction model, and c, a double subduction model with a wider weak zone in the triple junction region. In the weak zone test, the weak material fills the entire region between the edge of the Nankai slab and its projection into the Japan trench.
