Fig. 8From: Episode 4 (2019–2020) Nishinoshima activity: abrupt transitions in the eruptive style observed by image datasets from multiple satellitesAlternative to the model shown in Fig. 7; this model is for the case where the initiation of bubbling of volatile-rich magma occurred at a deeper level. Panels d’, e’, and f’ correspond to d, e, and f in Fig. 7, respectivelyBack to article page