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Fig. 14 | Earth, Planets and Space

Fig. 14

From: Estimation of source, path, and site factors of S waves recorded at the S-net sites in the Japan Trench area using the spectral inversion technique

Fig. 14

a Two-way travel time for P wave from the base of sediment to the seafloor estimated by multi-channel seismic (MCS) reflection survey (Nishizawa et al. 2022). The color filled squares and circles denote the sites located, within and beyond 5 km from the survey line, respectively. The open squares denote the sites, where the travel times were not estimated. b, c, and d Amplification factors at frequencies of approximately 0.33, 1, and 5 Hz, respectively

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