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Fig. 5 | Earth, Planets and Space

Fig. 5

From: Secular and coseismic changes in S-wave velocity detected using ACROSS in the Tokai region

Fig. 5

Distance and azimuthal dependence. Distance dependence (a, c) and azimuthal dependence (b, d) of coseismic and secular change. In a, c, coseismic steps and rate of secular changes are plotted against distance from the ACROSS source. Yellow broken lines show regression line. In b, d, coseismic steps and rate of secular changes are plotted against the azimuthal direction of the stations with reference to the ACROSS source. Green dashed circles show errors. The distribution of velocity changes for each station is approximated with blue and red ellipse. Travel time change was converted to velocity change using the JMA 2001 travel time table

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