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

Fig. 4

From: Coeruptive and posteruptive crustal deformation associated with the 2018 Kusatsu-Shirane phreatic eruption based on PALSAR-2 time series analysis

Fig. 4

Time series of line-of-sight (LOS) changes on Moto-Shirane volcano based on PALSAR-2 multi-temporal InSAR analysis. a, b Time series of LOS change on the southwestern side of the eruptive crater on Moto-Shirane volcano in path 19 and in paths 125/126, respectively. c Conceptual model of the 2018 Kusatsu-Shirane phreatic eruption. Note that positive LOS changes (distance changes away from the satellite) indicate downward movement. We set the reference date to November–December 2016, as shown by the black arrows, because of the differences in the first SAR image acquisition periods along each path. Vertical bars behind each plot are standard deviations of LOS changes within a range of 500 m by 500 m at 2 km from the 2018 eruption crater to the east, where we assume little deformation occurred

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