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Table 5 Nonlinear parameter ν1 and the peak frequencies of G(f) and observed Fourier spectrum of the mainshock

From: Strong ground motion simulation of the 2016 Kumamoto earthquake of April 16 using multiple point sources

  ν1 Peak frequency of G(f) (Hz) Peak frequency of observed fourier spectrum (Hz)
KMM003 0.86 2.36 2.03
KMM007 0.91 3.46 3.15
KMM008 0.89 0.86 0.77
KMM009 0.70 7.88 3.96
KMM011 0.87 3.11 2.71
KMMH03 0.57 1.79 1.02
KMMH14 0.78 0.89 0.60