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

Fig. 6

From: Eruption style transition during the 2017–2018 eruptive activity at the Shinmoedake volcano, Kirishima, Japan: surface phenomena and eruptive products

Fig. 6

Evolution of the Shinmoedake lava dome surface associated with the Vulcanian explosion on 14 March 2018. a Lava dome surface more than 3 h prior to the explosion. There was no mound at the dome center in the morning. b 3 min prior to the 15:18 Vulcanian explosion, a small mound formed at the future explosion site (yellow arrows) and gas emission increased. c Vulcanian explosion viewed from Shinyu (Loc. 1); photograph taken 1 min later (15:19). d After the explosion, the mound disappeared and the gas emission decreased. The yellow dotted circles in panels (a), (b), and (d) indicate large blocks (scale reference) that were not displaced by the eruption. The approximate distance between the blocks is 100 m

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