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

Fig. 5

From: Chronology of the 2015 eruption of Hakone volcano, Japan: geological background, mechanism of volcanic unrest and disaster mitigation measures during the crisis

Fig. 5

Sequential changes of crustal inflation and seismic activity during the 2001 unrest and 2015 eruption (Harada et al. 2015). a Crustal inflation is represented by normalized baseline lengths across the volcano (the stacking method; Miyaoka et al. 2011; Miyaoka and Takagi 2016). The baselines used in a are shown in b. c Cumulative number of deep low-frequency event (DLF). d Seismic activity is represented by daily number of earthquakes at Hakone volcano (M ≥ 0)

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