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Table 2 Velocities in the LOS, east–west, and vertical components at four representative points

From: Surface deformation of Asama volcano, Japan, detected by time series InSAR combining persistent and distributed scatterers, 2014‒2018

PointsALOS-2
(path 19)
Sentinel-1B
(path 39)
Sentinel-1A
(path 119)
East–westVertical
PNEF− 5.5 ± 0.7− 4.2 ± 0.8− 5.2 ± 1.4− 0.8 ± 0.3− 6.0 ± 0.2
PSEF2.2 ± 0.9− 5.4 ± 1.31.9 ± 0.76.7 ± 0.08− 2.1 ± 0.05
KAHG− 7.1 ± 1.3− 8.5 ± 2.9− 4.9 ± 2.02.1 ± 2.4− 8.8 ± 1.6
KAWG− 1.2 ± 0.71.6 ± 1.20.8 ± 0.5− 1.7 ± 2.00.9 ± 1.3
  1. PNEF and PSEF are located at the center of NEF and SEF (Fig. 7a), respectively; KAHG and KAWG are GNSS stations located at the edge of the Kamayama summit crater (Fig. 1). All the values are in mm/year