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Earth, Planets and Space
Fig. 1 | Earth, Planets and Space

Fig. 1

From: RETRACTED ARTICLE: Recovery process of shear wave velocities of volcanic soil in central Mashiki Town after the 2016 Kumamoto earthquake revealed by intermittent measurements of microtremor

Fig. 1

The locations of KiK-net Mashiki, Mashiki Town Office and the temporary earthquake observation stations (TMP01, TMP02 and TMP03) in central Mashiki Town, Kumamoto Prefecture in Kyushu Island, southwest Japan. The locations of the observation stations and the boring site are plotted on a topographical map by the Geospatial Information Authority of Japan. The photograph indicates an example condition of the microtremor measurements at TMP03 filmed on April 15, 2016, between the foreshock and the main shock. Blue circle indicates the created boring site nearby TMP03, namely GS-MSK-1 by Yoshimi et al. (2016, 2017); yellow and green stars indicate the epicenters of the foreshock and the main shock, respectively. The list of the observed ground motion indices during the foreshock and the main shock can be found in Table 1

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