Fig. 1From: Shallow volcanic reservoirs and pathways beneath Aso caldera revealed using ambient seismic noise tomographyTopography (Red Relief Image Map 2018) and the locations of seismic stations, five summits, and places in a the study region and b the post-caldera central cones. The seismic network is composed of three sub-networks, indicated by red circles (AVL BB stations), green circles (NIED and JMA BB stations), and yellow triangles (AVL SP stations). The inset shows the locations of the study regions (red box) in KyushuBack to article page