A STUDY AND VERIFICATION FOR SURFACE RUPTURE EXTRACTION METHODOLOGY BY COMBINING DINSAR RESULTS AND TERRAIN REPRESENTATION IMAGES

摘要

We developed a new surface rupture methodology by combining DInSAR result and the terrain description image. We applied the developed methodology using ALOS-2 for the past Earthquakes and compared the extracted information with the local situation. The results showed that the surface rupture detected by this methodology coincided with the surface rupture as confirmed by the conducted field survey. We verified the developed methodology with other satellites, and we succeeded in detecting the surface rupture. The present paper describes that this methodology could extract the seismic surface rupture over a wide area quickly, and demonstrated the potential mapping effectiveness as well.