Title :
Preliminary analysis on characteristics of co-seismic deformation field of the Gêrzê earthquake (Ms6.9) from ascending and descending pass ASAR radar interferometry
Author :
Yaqiong, Dai ; Shunying, Hong ; Jinwei, Ren ; Xuhui, Shen
Author_Institution :
Inst. of Earthquake Sci., China Earthquake Adm., Beijing, China
Abstract :
We process the ascending and descending mode ASAR radar data that covers the same area using 2-pass D-InSAR technology, and get the co-seismic deformation field, which provides us information on the seismic activity in the study area, in LOS direction of the Ge??rze?? (Tibet) earthquake (Ms 6.9), which happened on 9 January 2008, followed by 40 aftershocks including the largest one on 16 January 2008. The result shows that it is double earthquakes caused by two buried normal faults. The LOS deformation is from -46.0 cm to 11.4 cm by descending interferometry pair, and -47.8 cm by ascending interferometry pair.
Keywords :
deformation; earthquakes; faulting; geomorphology; radar interferometry; remote sensing by radar; seismology; spaceborne radar; synthetic aperture radar; AD 2008 01 09; AD 2008 01 16; Gerze earthquake; Tibet; ascending interferometry pair; ascending pass ASAR interferometry; buried normal faults; coseismic deformation field characteristics; descending interferometry pair; descending pass ASAR interferometry; seismic activity; two pass D-InSAR technology; Earthquakes; Electric shock; Gases; Geology; Global Positioning System; Radar interferometry; Satellite broadcasting; Surfaces; Synthetic aperture radar; Synthetic aperture radar interferometry; Co-seismic Deformation; D-InSAR; Gêrzê Earthquake;
Conference_Titel :
Synthetic Aperture Radar, 2009. APSAR 2009. 2nd Asian-Pacific Conference on
Conference_Location :
Xian, Shanxi
Print_ISBN :
978-1-4244-2731-4
Electronic_ISBN :
978-1-4244-2732-1
DOI :
10.1109/APSAR.2009.5374136
