Articles | Volume 15, issue 3
https://doi.org/10.5194/nhess-15-637-2015
https://doi.org/10.5194/nhess-15-637-2015
Research article
 | 
27 Mar 2015
Research article |  | 27 Mar 2015

Estimation of three-dimensional crustal movements in the 2011 Tohoku-Oki, Japan, earthquake from TerraSAR-X intensity images

W. Liu, F. Yamazaki, M. Matsuoka, T. Nonaka, and T. Sasagawa

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Short summary
The method for capturing two-dimensional surface displacements was applied to three pairs of pre- and post-event high-resolution TerraSAR-X intensity images of the 2011 Tohoku-Oki earthquake taken in ascending and descending paths, and the results were used for estimating the actual three-dimensional movements. Compared with the GPS data at three ground-control stations, the estimation errors in the horizontal and vertical directions were less than 0.3 m in spite of the pixels size (1.25 m).
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