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Earth, Planets and Space
Fig. 2 | Earth, Planets and Space

Fig. 2

From: “N”-shaped Y/X coda spectral ratio observed for in-line-type OBS networks; S-net and ETMC: interpretation based on natural vibration of pressure vessel

Fig. 2

Location of the studied OBS stations. Triangles, squares, and circles in a represent S-net, ETMC, and DONET stations, respectively. Orange and blue triangles represent the S-net stations installed and not installed within grooves in the seafloor, respectively. Gray dots are the epicenters of used earthquakes. Bathymetric contour lines are drawn at 1000 m intervals. b and c are enlarged maps of the areas enclosed by red and purple rectangles in a, respectively. In c, stations with yellow and black outlines were only used for buried and non-buried time periods, respectively. Stations with white were not used in this study

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