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Earth, Planets and Space
Fig. 2 | Earth, Planets and Space

Fig. 2

From: Investigation of the subsurface structure at the target site in Kumamoto, Japan, and the distributed data of the blind prediction exercise: report for the experiments for the 6th international symposium on effects of surface geology on seismic motion

Fig. 2

a Map showing the location of the target test site KUMA and the reference rock site KU.KMP1 in Kumamoto City, Kumamoto, Japan, along with the locations of strong ground motion stations and epicenters of earthquakes provided in the blind predictions (BP2 and BP3). Circles indicate the epicenters of aftershocks of the 2016 Kumamoto earthquake sequence. A black star indicates the epicenter of another aftershock, which is the target earthquake in BP2. Source fault planes of the foreshock (straight line) and the mainshock (two rectangles) of the 2016 Kumamoto earthquake sequence by Asano and Iwata (2016) are projected, which are the target earthquakes in BP3. b Map of the detailed location of KUMA on the right bank of the Shirakawa River, plotted on Kuni-jiban (2022). Borehole survey data in Kuni-jiban for location indicated by the red circle are used as reference for the results of SPT at the borehole survey near KUMA

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