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Earth, Planets and Space
Fig. 16 | Earth, Planets and Space

Fig. 16

From: Application of the on-site P-wave earthquake early warning method based on site-specific ratios of S-waves to P-waves to the 2016 Kumamoto earthquake sequence, Japan

Fig. 16

Relationships between PGA (peak ground acceleration) on the ground surface and PBA (peak basement acceleration) on the borehole at the strong-motion station of KiK-net KMMH16, during the 2016 Kumamoto earthquake sequence. In the figure, standard deviation σ in logarithm is indicated, and closed circles indicate the mainshock. a PBA of S-wave and PBA of P-wave. b PGA of P-wave and PBA of P-wave. c PGA of S-wave and PBA of S-wave. d PGA of S-wave and PGA of P-wave

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