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dc.contributor.authorFeng, Wanpengen
dc.contributor.authorSamsonov, Sergeyen
dc.contributor.authorAlmeida, Rafaelen
dc.contributor.authorYassaghi, Alien
dc.contributor.authorLi, Junhuaen
dc.contributor.authorQiu, Qiangen
dc.contributor.authorLi, Pengen
dc.contributor.authorZheng, Wenjunen
dc.identifier.citationFeng, W., Samsonov, S., Almeida, R., Yassaghi, A., Li, J., Qiu, Q., . . . Zheng, W. (2018). Geodetic Constraints of the 2017 Mw 7.3 Sarpol Zahab, Iran Earthquake, and Its Implications on the Structure and Mechanics of the Northwest Zagros Thrust-Fold Belt. Geophysical Research Letters, 45(14), 6853-6861. doi:10.1029/2018GL078577en
dc.description.abstractWe reveal transient surface deformation following the 2017 Mw7.3 Sarpol Zahab (Iran) earthquake using Interferometric Synthetic Aperture Radar (InSAR) measurements. Based on the coseismic interferograms derived from the Advanced Land Observing Satellite‐2 (ALOS‐2) data, the preferred slip model of the earthquake has a centroid depth of 14.5 ± 4 km and suggests that a basement fault is most likely responsible for the 2017 earthquake in the northwest Zagros fold‐thrust belt zone. Two slip asperities with a maximum slip of 6 m separated by 16 km are observed in the best fitting slip model. The accumulated afterslip in the first month after the mainshock determined from the Sentinel‐1 postseismic interferograms reveals a slip distribution that lies immediately updip of the coseismic slip, implying that frictional properties of the fault vary along the rupture patch. The Bamo Mount in the earthquake area was uplifted by approximately 1 m during the earthquake. We suggest that local topographic growth from both seismic and aseismic faulting behaviors is common within the Zagros fold‐thrust belt zone based on our findings regarding the 2017 earthquake and other significant events in the region.en
dc.format.extent9 p.en
dc.relation.ispartofseriesGeophysical Research Lettersen
dc.rights© 2018 American Geophysical Union. This paper was published in Geophysical Research Letters and is made available as an electronic reprint (preprint) with permission of American Geophysical Union. The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.en
dc.subjectSarpol Zahab Earthquakeen
dc.titleGeodetic Constraints of the 2017 M w 7.3 Sarpol Zahab, Iran Earthquake, and Its Implications on the Structure and Mechanics of the Northwest Zagros Thrust-Fold Belten
dc.typeJournal Articleen
dc.contributor.schoolAsian School of the Environmenten
dc.contributor.researchEarth Observatory of Singaporeen
dc.description.versionPublished versionen
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