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Earth, Planets and Space
Fig. 6 | Earth, Planets and Space

Fig. 6

From: Permutation entropy variations in seismic noise before and after eruptive activity at Shinmoedake volcano, Kirishima complex, Japan

Fig. 6

Long-term variation of PE from April 2017 (shown as Apr17) until May 2018 (shown as May18) for stations SMN, SMW, SMET, KRS, and TKS. In each plot panel a shows the PE variation every 20 min, and panel b corresponds to the PE variation after applying a moving window of 3 days. At station KRS the end of the decreasing period of PE is not clear; hence, this is indicated by a question mark

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