Fig. 4From: Late Holocene uplift of the Izu Islands on the northern Zenisu Ridge off Central Japan a Mean relative sea-level changes since 1964 measured by tide gauges at Minami Izu and Kouzushima (Coastal Movements Data Center, 2016). b Relative vertical displacement at GPS stations during the period 1 January 1998 and 5 November 2016 at Niijima, Shikinejima, and Kouzushima (GEONET F3 solution based on Nakagawa et al. (2009))Back to article page