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Earth, Planets and Space
Fig. 4 | Earth, Planets and Space

Fig. 4

From: Precursory ground deformation of the 2018 phreatic eruption on Iwo-Yama volcano, revealed by four-dimensional joint analysis of airborne and spaceborne InSAR

Fig. 4

Interferograms generated from Pi-SAR-L2 (a, b, c, f, g, and h) and PALSAR-2 data (d, e, i, j, k, and l). a–e and (f–j) are the interferograms used to estimate 3D deformation, spanning 2014–2016 and 2016–2017, respectively. k and l were interferograms used to estimate 2.5D deformation, spanning 2017–2018

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