Electronic Supplement to
Which Fault Segments Ruptured in the 2008 Wenchuan Earthquake and Which Did Not? New Evidence from Near-Fault 3D Surface Displacements Derived from SAR Image Offsets

by Guangcai Feng, Sigurjón Jónsson, and Yann Klinger

This electronic supplement contains six parallel ascending-orbit tracks (from paths 471 to 476) coseismic deformation. All data are given as zip files (disp_471.grd, disp_472.grd, disp_473.grd, disp_474.grd disp_475.grd, and disp_476.grd). The .grd format data can be opened by various softwares, such as Generic Mapping Tools (GMT), MATLAB, arcinfo, and Environment for Visualizing Images (ENVI). Here we listed two traditional ways to read the .grd files.


Other

disp_471.zip [Zipped .grd (Grid) file; ~31.4 MB]. This file contains disp_471.grd, the improved ALOS Los displacement at path 471.

disp_472.zip [Zipped .grd (Grid) file; ~29.4 MB]. This file contains disp_472.grd, the improved ALOS Los displacement at path 472.

disp_473.zip [Zipped .grd (Grid) file; ~33.5 MB]. This file contains disp_473.grd, the improved ALOS Los displacement at path 473.

disp_474.zip [Zipped .grd (Grid) file; ~34.1 MB]. This file contains disp_474.grd, the improved ALOS Los displacement at path 474.

disp_475.zip [Zipped .grd (Grid) file; ~33.7 MB]. This file contains disp_475.grd, the improved ALOS Los displacement at path 475.

disp_476.zip [Zipped .grd (Grid) file; ~33.4 MB]. This file contains disp_476.grd, the improved ALOS Los displacement at path 476.

For GMT 5.0

gmt grd2xyz disp_471.grd > disp_471.xyz

gmt grd2xyz disp_472.grd > disp_472.xyz

gmt grd2xyz disp_47?.grd > disp_47?.xyz


Data and Resources

The .grd files can be read and written using the following MATLAB functions available at https://www.mathworks.com/matlabcentral/fileexchange/25683-grdread2 (last accessed April 2014).

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