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Earth, Planets and Space
Fig. 9 | Earth, Planets and Space

Fig. 9

From: Examination of one-dimensional S-wave velocity structure using strong-motion data for high-seismic-intensity area during the 2018 Hokkaido Eastern Iburi earthquake

Fig. 9

Observed S-wave arrival time difference and theoretical travel time difference for each event. The green diamonds indicate time differences calculated using model 1. The red circles indicate the time differences calculated using model 2. The red and green stars indicate the time differences of the event in Fig. 8. Both models include JIVSM under the seismic bedrock. The solid line indicates where the two differences between the observed arrival time difference and the theoretical travel time difference match, and the dashed lines are ± 0.1 s away from the solid line

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