Researcher Jiang Liming acquired 750x75 km sight line direction coseism deformation field in east costal area of Honshu Japan. The wide area and high resolution deformation data provided a strict constrain of fault slippage direction and the estimation of the slip magnitude.

 

Fig1. InSAR interference fringe，every fringe indicated 2.8cm displacement in sight line direction

Fig1. InSAR interference fringe，every fringe indicated 2.8cm displacement in sight line direction

 

 

Fig2.coseism deformation field, the biggest deformation is 2.5m near Sendai

 

The SAR data source was ESA ENVISAT ASAR strip data in 2011-2-29 and 2011-3-21.