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Surface displacements in the September 2005 Afar rifting event from satellite image matching: Asymmetric uplift and faulting

Abstract:

[1] Combining sub-pixel analysis of SPOT4 images with InSAR measurements, we generate 3D surface displacements for the September 2005 rifting event on the Dabbahu Segment in the Afar valley. The axis of rifting in the event is shifted to the east of the geomorphic rift. The horizontal displacements reveal 6 m of extension, and vertical displacements show asymmetric uplift of the flanks of the dike. Simple forward modelling indicates this asymmetry is due to the dike dipping 80° to the west to...

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Publication status:
Published

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Publisher copy:
10.1029/2008GL036431

Authors


Barisin, I More by this author
Leprince, S More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
Journal:
GEOPHYSICAL RESEARCH LETTERS
Volume:
36
Issue:
7
Pages:
n/a-n/a
Publication date:
2009-04-01
DOI:
ISSN:
0094-8276
URN:
uuid:7990f966-c96f-439d-b648-3f32ee056839
Source identifiers:
81972
Local pid:
pubs:81972
Language:
English

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