Tracking surface and subsurface deformation associated with groundwater dynamics following the 2019 Mirpur earthquake

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dc.authoridEkrem Saralıoğlu / 0000-0002-0609-3338en_US
dc.contributor.authorKhan, Muhammad Younis
dc.contributor.authorSaralioğlu, Ekrem
dc.contributor.authorTurab, Syed Ali
dc.contributor.authorMuhammad, Sher
dc.date.accessioned2023-05-05T10:46:34Z
dc.date.available2023-05-05T10:46:34Z
dc.date.issued2023
dc.departmentAÇÜ, Mühendislik Fakültesi, Harita Mühendisliği Bölümüen_US
dc.description.abstractThe Mirpur Mw 5.8 earthquake on September 24, 2019, producedextensive liquefaction-induced surface deformation (LISD) in the sur-rounding villages. Due to the complexity of seismic hazards and theoccurrence of their effects on a large spatial scale, the resulting sur-face, and subsurface deformation are often poorly resolved. To coverspatially extended LISD, the PSInSAR technique provided subsidenceand uplift rate values ranging from 110 to?145 mm/yr consistentwith the spatial distribution of the mapped liquefaction features. Themost prominent surface change occurred in Abdupur and Sang vil-lages. GPR measurements were conducted to map the near-surfacecracks produced by transported liquified sand into the shallow sub-surface layers and other liquefaction features (elevated groundwatertable, conductive clay pockets, fractures, sand dikes, and water-enriched zones). Thus, the GPR survey assisted in the reconstructionof these structural and hydrogeological features on the near surface.In addition, the highly vulnerable zones were identified and mappedusingspace-andground-basedremotesensingmeasurementssup-ported by the field observations. The results highlight the effective-ness of the proposed novel approach for detailed assessment of thecoseismic liquefaction-induced deformation on- and near-ground sur-faces by identifying areas prone to failure during earthquakes andthereby can help with hazard mitigation.
dc.identifier.citationKhan, M. Y., Saralioglu, E., Turab, S. A., & Muhammad, S. (2023). Tracking surface and subsurface deformation associated with groundwater dynamics following the 2019 Mirpur earthquake. Geomatics, Natural Hazards and Risk, 14(1).en_US
dc.identifier.doi10.1080/19475705.2023.2195966
dc.identifier.endpage23en_US
dc.identifier.issue1en_US
dc.identifier.startpage1en_US
dc.identifier.urihttps://doi.org/10.1080/19475705.2023.2195966
dc.identifier.urihttps://hdl.handle.net/11494/4876
dc.identifier.volume14en_US
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.institutionauthorSaralıoğlu, Ekrem
dc.language.isoenen_US
dc.relation.ispartofGeomatics, Natural Hazards and Risk
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectEarthquakeen_US
dc.subjectCoseismic effectsen_US
dc.subjectLiquefactionen_US
dc.subjectGroundpenetrating radar (GPR)en_US
dc.subjectGeological surveyen_US
dc.titleTracking surface and subsurface deformation associated with groundwater dynamics following the 2019 Mirpur earthquakeen_US
dc.typeArticle

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