The inferences on the Aegean geodynamic context from 30 October 2020 Samos earthquake (Mw:6.8)

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dc.authorid0000-0001-6321-0812en_US
dc.authorid0000-0002-8710-6232en_US
dc.authorid0000-0002-6836-2951en_US
dc.authorscopusid7005349357en_US
dc.authorscopusid24437879900en_US
dc.authorscopusid56825731100en_US
dc.authorwosidFRE-2013-2022en_US
dc.authorwosidZ-4725-2019en_US
dc.authorwosidEXE-7164-2022en_US
dc.contributor.authorÖver, Semir
dc.contributor.authorÖzden, Süha
dc.contributor.authorDemirci, Alper
dc.contributor.authorGündoğdu, Erdem
dc.date.accessioned2023-04-11T08:57:40Z
dc.date.available2023-04-11T08:57:40Z
dc.date.issued2021en_US
dc.departmentFakülteler, Mühendislik Fakültesi, Jeofizik Mühendisliği Bölümü
dc.departmentFakülteler, Mühendislik Fakültesi, Jeoloji Mühendisliği Bölümü
dc.departmentMeslek Yüksekokulları, Çan Meslek Yüksekokulu, Madencilik ve Maden Çıkarma Bölümü
dc.description.abstractOn October 30, 2020, an earthquake with a magnitude of 6.8 (Mw) struck the northern coast of Samos Island in the Kuşadası Gulf. The solution to the focal mechanism indicates that the earthquake of 30 October 2020 occurred on a normal fault with nodal planes of E-W strike; thus, indicating extension in N-S direction. The fault plane solutions show a N-S trending extension for normal faults, which are obtained by inverting the moment tensor waveforms of 23 earthquakes and the P-wave first motion polarities of 11 aftershocks. A normal fault stress regime of approximately N-S (N6°E) σ3 axis is given by the inversion of slip vectors measured at sites located on land in Kuşadası. The mean R value is 0.84, suggesting that the stress regime is triaxial extensional stress state. The inversion of the focal mechanism of earthquakes occurring on land and in the Gulf of Kuşadası describes an extensional stress regime active today, characterized by an approximately N-S (N9°E) σ3 axis. The calculated R value of 0.31 indicates a triaxial stress state. For the 30 October 2020 earthquake (Mw:6.8), the Coulomb failure stress change analysis shows a substantial reduction in stress in the N-S direction supporting the kinematic results. The N-S extension in Western Anatolia-Aegean is largely influenced by the relatively fast movement of the Hellenic trench southwards, related to the sinking of the African plate beneath Aegean.en_US
dc.identifier.citationÖver, S., Özden, S., Demirci, A., & Gündoğdu, E. (2021). The inferences on the aegean geodynamic context from 30 october 2020 samos earthquake (mw:6.8). Tectonophysics, 815 doi:10.1016/j.tecto.2021.228998en_US
dc.identifier.doi10.1016/j.tecto.2021.228998
dc.identifier.issn0040-1951
dc.identifier.issn1879-3266
dc.identifier.scopus2-s2.0-85111065024
dc.identifier.urihttps://doi.org/10.1016/j.tecto.2021.228998
dc.identifier.urihttps://hdl.handle.net/20.500.12428/3990
dc.identifier.volume815en_US
dc.identifier.wosWOS:000685264800013
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorÖzden, Süha
dc.institutionauthorDemirci, Alper
dc.institutionauthorGündoğdu, Erdem
dc.language.isoen
dc.publisherElsevieren_US
dc.relation.ispartofTectonophysicsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectSamos Islanden_US
dc.subjectKuşadası Gulfen_US
dc.subjectEarthquakeen_US
dc.subjectExtensionen_US
dc.subjectNormal Faulten_US
dc.titleThe inferences on the Aegean geodynamic context from 30 October 2020 Samos earthquake (Mw:6.8)
dc.typeArticle

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