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Earth, Planets and Space
Fig. 15 | Earth, Planets and Space

Fig. 15

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. 15

Relationships between the two-way travel times for P wave and site amplification factors at frequencies of approximately 0.33, 0.5, 1, 2, 5, and 10 Hz (panels a–f), respectively. The red and black lines indicate the linear fits between the travel times and logarithms of amplification factors. The numerals in parentheses indicate the values of correlation coefficients between the corresponding data sets. Note the difference in the scale of the vertical axis for 10 Hz f compared to the scales for other frequencies. The amplification factors are lower than five for 10 Hz at most sites

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