Evidence for tear faulting from new constraints of the 23 october 2011 Mw 7.1 Van, Turkey, earthquake based on InSAR, GPS, coastal uplift, and field observations. Ako ̆glu, A. M., Jónsson, S., Wang, T., Çakır, Z., Dogan, U., Ergintav, S., Osmano ̆glu, B., Feng, G., Zabcı, C., Özdemir, A., & Emre, Ö. Bulletin of the Seismological Society of America, 108(4):1929–1946, repository.kaust.edu.sa, 2018. ![Evidence for tear faulting from new constraints of the 23 october 2011 Mw 7.1 Van, Turkey, earthquake based on InSAR, GPS, coastal uplift, and field observations [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex The 23 October 2011 Mw 7.1 Van earthquake in eastern Turkey took place on a previously unknown thrust fault, causing over 600 fatalities and extensive damage mainly in Van city and the northern town of Erci ̧s. Several coseismic models have already been published after the earthquake using the available seismological and geodetic data. These studies generally agree on a coseismic rupture on a north-dipping east–west-trending blind-thrust fault comprising one or two subparallel segments and the existence of a shallow slip deficit. Here, by introducing an additional coseismic pixel-offset dataset from the TerraSAR-X satellite, we conclude that a NNE–SSW-trending left-lateral tear fault that bounds the rupture to the east also slipped both during and after the mainshock, which is in agreement with both field observations and postseismic Global Positioning System (GPS) measurements. This has important implications for the seismic hazard analysis of the region as the extent and geometry of the rupture that we infer differ significantly from those previously proposed.
@article{pop00059,
abstract = {The 23 October 2011 Mw 7.1 Van earthquake in eastern Turkey took place on a previously unknown thrust fault, causing over 600 fatalities and extensive damage mainly in Van city and the northern town of Erci{\c s}. Several coseismic models have already been published after the earthquake using the available seismological and geodetic data. These studies generally agree on a coseismic rupture on a north-dipping east--west-trending blind-thrust fault comprising one or two subparallel segments and the existence of a shallow slip deficit. Here, by introducing an additional coseismic pixel-offset dataset from the TerraSAR-X satellite, we conclude that a NNE--SSW-trending left-lateral tear fault that bounds the rupture to the east also slipped both during and after the mainshock, which is in agreement with both field observations and postseismic Global Positioning System (GPS) measurements. This has important implications for the seismic hazard analysis of the region as the extent and geometry of the rupture that we infer differ significantly from those previously proposed.},
annote = {Query date: 2022-01-08 13:52:06},
author = {Ako{\u g}lu, Ahmet M. and J{\'{o}}nsson, Sigurj{\'{o}}n and Wang, Teng and {\c{C}}akır, Ziyadin and Dogan, Ugur and Ergintav, Semih and Osmano{\u g}lu, Batuhan and Feng, Guangcai and Zabcı, Cengiz and {\"{O}}zdemir, Alpay and Emre, {\"{O}}mer},
doi = {10.1785/0120170314},
issn = {19433573},
journal = {Bulletin of the Seismological Society of America},
number = {4},
pages = {1929--1946},
publisher = {repository.kaust.edu.sa},
title = {{Evidence for tear faulting from new constraints of the 23 october 2011 Mw 7.1 Van, Turkey, earthquake based on InSAR, GPS, coastal uplift, and field observations}},
url = {https://pubs.geoscienceworld.org/ssa/bssa/article-abstract/108/4/1929/538453 https://repository.kaust.edu.sa/handle/10754/630136},
volume = {108},
year = {2018},
bdsk-url-1 = {https://pubs.geoscienceworld.org/ssa/bssa/article-abstract/108/4/1929/538453%20https://repository.kaust.edu.sa/handle/10754/630136},
bdsk-url-2 = {https://doi.org/10.1785/0120170314}}
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Here, by introducing an additional coseismic pixel-offset dataset from the TerraSAR-X satellite, we conclude that a NNE–SSW-trending left-lateral tear fault that bounds the rupture to the east also slipped both during and after the mainshock, which is in agreement with both field observations and postseismic Global Positioning System (GPS) measurements. 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