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Earth, Planets and Space
Fig. 5 | Earth, Planets and Space

Fig. 5

From: Applicability of source scaling relations for crustal earthquakes to estimation of the ground motions of the 2016 Kumamoto earthquake

Fig. 5

Left Map showing the four-segment source model of Yoshida et al. (2016) and three SMGAs (red rectangles inside the segments). The epicenters (stars) of the mainshock and the EGF events are shown with their moment tensor solutions determined by F-net in the lower hemisphere projection. The stations used in this simulation are indicated by black squares. Right Observed source spectral ratios for each station (thin gray lines), the average observed source spectral ratio (thick black line), and the theoretical source spectral ratio (red line) fitted to the observations. The black triangles indicate the estimated corner frequencies for the mainshock and the EGF event, respectively. Top Spectral ratios of the mainshock to the EGF1 event. Bottom Spectral ratios of the mainshock to the EGF2 event

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