Fig. 9From: Surface deformation of Asama volcano, Japan, detected by time series InSAR combining persistent and distributed scatterers, 2014‒2018Time series of LOS changes at the two selected points PNEF and PSEF (Fig. 7). a‒c Time series at PNEF from the ALOS-2, ascending Sentinel-1, and descending Sentinel-1 images. d‒f Similar to a–c but for the point PSEF. Error bars are standard deviations estimated over the points located within a window with size of 3 × 3 pixelsBack to article page