Fig. 1.From: Constraints on the three-dimensional thermal structure of the lower crust in the Japanese IslandsMap showing the Japanese Islands. Red triangles and red traces indicate active volcanoes and active faults, respectively. Solid circles indicate the points at which mantle xenoliths were found (Arai et al., 2007). The Philippine Sea Plate subducts beneath the Japanese Islands toward west-northwest along the Nankai Trough.Back to article page