Fig. 1From: Episode 4 (2019–2020) Nishinoshima activity: abrupt transitions in the eruptive style observed by image datasets from multiple satellitesreproduced from Google Earth). b Pleiades images of Nishinoshima before the Episode 4 activity (28 August 2017). c SPOT-6/7 image taken on 5 January 2020. d WorldView-3 image taken on 19 July 2020. e WorldView-2 image taken on 1 February 2021a Location of Nishinoshima (Back to article page