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Earth, Planets and Space
Fig. 3 | Earth, Planets and Space

Fig. 3

From: Seismicity prior to the 2016 Kumamoto earthquakes

Fig. 3

Cumulative number of earthquakes (blue, scale on left) with M ≥ 2.5 as a function of time, up to the occurrence of the Off Satsuma Peninsula earthquake in 2015.8 (star). Curve in red shows the Z-values (scale on right), resulting from every position of the time window T w = 1 year. The sample is from a circle with R = 100 km, centered at the black dot in the inset. Also included in the inset for reference are stars showing the 2015 Off Satsuma Peninsula and the 2016 Kumamoto mainshocks and gray dots showing the centers of the collecting volumes with R = 100 km to create Fig. A11 in Additional file 1

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