TY - JOUR
T1 - Mapping active fault associated with the 2003 Mw 6.6 Bam (SE Iran) earthquake with ASTER 3D images
AU - Fu, Bihong
AU - Ninomiya, Yoshiki
AU - Lei, Xinglin
AU - Toda, Shinji
AU - Awata, Yasuo
N1 - Funding Information:
We would like to thank Drs. Atwater, B., Sugiyama, Y., and Azuma, T. for their useful discussion. Dr. Kondo, H. provided high quality of photographs taken under unusual condition. We are also grateful to three anonymous reviewers for their constructive comments and suggestions, which helped to improve the manuscript. The ASTER VNIR data were provided by the Earth Remote Sensing Data Analysis Center (ERSDAC) for ASTER ARO Project (AP-402). B. Fu is grateful to the support from Postdoctoral Fellowship (P 03510) of Japan Society for the Promotion of Science (JSPS).
PY - 2004/8/15
Y1 - 2004/8/15
N2 - Satellite images reveal the geomorphology and geometry of an active fault associated with an earthquake that caused over 40,000 deaths in southeast Iran. This earthquake, of moment magnitude (Mw) 6.6, occurred at 01:56:52 (UTC) on December 26, 2003 near the towns of Bam and Baravat. An active fault that ruptured during the earthquake can be seen on three-dimensional (3D) pre- and post-earthquake images generated from Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) visible and near infrared (VNIR) data. The interpretation and analysis of satellite images suggest that a dextral fault extends for 65 km through the Bam-Baravat region. It strikes north-northwest and steps leftward at a segment boundary between two towns. Transpressional stress at this step-over (bend) probably triggered the 2003 earthquake rupture, as suggested also by source mechanism solution of the Bam earthquake and by landforms observed in the field. In the past 2000 years, Bam has had no earthquake as destructive as the one in 2003. The potential for this catastrophe could have been identified through a combination of satellite remote sensing technique and field reconnaissance.
AB - Satellite images reveal the geomorphology and geometry of an active fault associated with an earthquake that caused over 40,000 deaths in southeast Iran. This earthquake, of moment magnitude (Mw) 6.6, occurred at 01:56:52 (UTC) on December 26, 2003 near the towns of Bam and Baravat. An active fault that ruptured during the earthquake can be seen on three-dimensional (3D) pre- and post-earthquake images generated from Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) visible and near infrared (VNIR) data. The interpretation and analysis of satellite images suggest that a dextral fault extends for 65 km through the Bam-Baravat region. It strikes north-northwest and steps leftward at a segment boundary between two towns. Transpressional stress at this step-over (bend) probably triggered the 2003 earthquake rupture, as suggested also by source mechanism solution of the Bam earthquake and by landforms observed in the field. In the past 2000 years, Bam has had no earthquake as destructive as the one in 2003. The potential for this catastrophe could have been identified through a combination of satellite remote sensing technique and field reconnaissance.
KW - 3D imagery
KW - ASTER VNIR data
KW - Bam earthquake
KW - DEM
KW - Geometric and geomorphic feature
KW - Strike-slip faulting
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U2 - 10.1016/j.rse.2004.05.019
DO - 10.1016/j.rse.2004.05.019
M3 - Article
AN - SCOPUS:4143087137
VL - 92
SP - 153
EP - 157
JO - Remote Sensing of Environment
JF - Remote Sensing of Environment
SN - 0034-4257
IS - 2
ER -