GSTDTAP  > 气候变化
DOI10.1029/2019GL084926
Surface Rupture and Distributed Deformation Revealed by Optical Satellite Imagery: The Intraplate 2016 M-w 6.0 Petermann Ranges Earthquake, Australia
Gold, Ryan D.1; Clark, Dan2; Barnhart, William D.3; King, Tamarah4; Quigley, Mark4; Briggs, Richard W.1
2019-09-07
发表期刊GEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
EISSN1944-8007
出版年2019
文章类型Article;Early Access
语种英语
国家USA; Australia
英文摘要

High-resolution optical satellite imagery is used to quantify vertical surface deformation associated with the intraplate 20 May 2016 M-w 6.0 Petermann Ranges earthquake, Northern Territory, Australia. The 21 +/- 1-km-long NW trending rupture resulted from reverse motion on a northeast dipping fault. Vertical surface offsets of up to 0.7 +/- 0.1m distributed across a 0.5-to-1-km-wide deformation zone are measured using the Iterative Closest Point algorithm to compare preearthquake and postearthquake digital elevation models derived from WorldView imagery. The results are validated by comparison with field-based observations and interferometric synthetic aperture radar. The pattern of surface uplift is consistent with distributed shear above the propagating tip of a reverse fault, leading to both an emergent fault and folding proximal to the rupture. This study demonstrates the potential for quantifying modest (<1 m) vertical deformation on a reverse fault using optical satellite imagery.


英文关键词intraplate earthquake slip distribution stable continental region WorldView InSAR
领域气候变化
收录类别SCI-E
WOS记录号WOS:000485372400001
WOS关键词REELFOOT FAULT ; NEAR-FIELD ; SLIP ; CALIFORNIA ; REVERSE ; THRUST ; BALOCHISTAN ; EXAMPLES ; PATTERNS ; MODELS
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/186958
专题气候变化
作者单位1.US Geol Survey, Golden, CO 80403 USA;
2.Geosci Australia, Symonston, ACT, Australia;
3.Univ Iowa, Dept Earth & Environm Sci, Iowa City, IA USA;
4.Univ Melbourne, Sch Earth Sci, Melbourne, Vic, Australia
推荐引用方式
GB/T 7714
Gold, Ryan D.,Clark, Dan,Barnhart, William D.,et al. Surface Rupture and Distributed Deformation Revealed by Optical Satellite Imagery: The Intraplate 2016 M-w 6.0 Petermann Ranges Earthquake, Australia[J]. GEOPHYSICAL RESEARCH LETTERS,2019.
APA Gold, Ryan D.,Clark, Dan,Barnhart, William D.,King, Tamarah,Quigley, Mark,&Briggs, Richard W..(2019).Surface Rupture and Distributed Deformation Revealed by Optical Satellite Imagery: The Intraplate 2016 M-w 6.0 Petermann Ranges Earthquake, Australia.GEOPHYSICAL RESEARCH LETTERS.
MLA Gold, Ryan D.,et al."Surface Rupture and Distributed Deformation Revealed by Optical Satellite Imagery: The Intraplate 2016 M-w 6.0 Petermann Ranges Earthquake, Australia".GEOPHYSICAL RESEARCH LETTERS (2019).
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