Greece and Turkey Shaken by African tectonic retreat

Abstract Earthquakes are a consequence of the motions of the planet’s tectonic plates, yet predicting when and where they may occur, and how to prepare remain some of the shortcomings of using scientific knowledge to protect human life. A devastating Mw 7.0 earthquake on October 30, 2020, offshore S...

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Autores principales:	Jiannan Meng, Ozan Sinoplu, Zhipeng Zhou, Bulent Tokay, Timothy Kusky, Erdin Bozkurt, Lu Wang
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/e49c87cae29a4ec89ff52308b684c403
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spelling	oai:doaj.org-article:e49c87cae29a4ec89ff52308b684c4032021-12-02T16:36:03ZGreece and Turkey Shaken by African tectonic retreat10.1038/s41598-021-86063-y2045-2322https://doaj.org/article/e49c87cae29a4ec89ff52308b684c4032021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-86063-yhttps://doaj.org/toc/2045-2322Abstract Earthquakes are a consequence of the motions of the planet’s tectonic plates, yet predicting when and where they may occur, and how to prepare remain some of the shortcomings of using scientific knowledge to protect human life. A devastating Mw 7.0 earthquake on October 30, 2020, offshore Samos Island, Greece was a consequence of the Aegean and Anatolian upper crust being pulled apart by north–south extensional stresses resulting from slab rollback, where the African plate is subducting northwards beneath Eurasia, while the slab is sinking by gravitational forces, causing it to retreat southwards. Since the retreating African slab is coupled with the overriding plate, it tears the upper plate apart as it retreats, breaking it into numerous small plates with frequent earthquakes along their boundaries. Historical earthquake swarms and deformation of the upper plate in the Aegean have been associated with massive volcanism and cataclysmic devastation, such as the Mw 7.7 Amorgos earthquake in July 1956 between the islands of Naxos and Santorini (Thera). Even more notable was the eruption of Santorini 3650 years ago, which contributed to the fall of the Minoan civilization. The Samos earthquake highlights the long historical lack of appreciation of links between deep tectonic processes and upper crustal deformation and geological hazards, and is a harbinger of future earthquakes and volcanic eruptions, establishing a basis for studies to institute better protection of infrastructure and upper plate cultures in the region.Jiannan MengOzan SinopluZhipeng ZhouBulent TokayTimothy KuskyErdin BozkurtLu WangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jiannan Meng Ozan Sinoplu Zhipeng Zhou Bulent Tokay Timothy Kusky Erdin Bozkurt Lu Wang Greece and Turkey Shaken by African tectonic retreat
description	Abstract Earthquakes are a consequence of the motions of the planet’s tectonic plates, yet predicting when and where they may occur, and how to prepare remain some of the shortcomings of using scientific knowledge to protect human life. A devastating Mw 7.0 earthquake on October 30, 2020, offshore Samos Island, Greece was a consequence of the Aegean and Anatolian upper crust being pulled apart by north–south extensional stresses resulting from slab rollback, where the African plate is subducting northwards beneath Eurasia, while the slab is sinking by gravitational forces, causing it to retreat southwards. Since the retreating African slab is coupled with the overriding plate, it tears the upper plate apart as it retreats, breaking it into numerous small plates with frequent earthquakes along their boundaries. Historical earthquake swarms and deformation of the upper plate in the Aegean have been associated with massive volcanism and cataclysmic devastation, such as the Mw 7.7 Amorgos earthquake in July 1956 between the islands of Naxos and Santorini (Thera). Even more notable was the eruption of Santorini 3650 years ago, which contributed to the fall of the Minoan civilization. The Samos earthquake highlights the long historical lack of appreciation of links between deep tectonic processes and upper crustal deformation and geological hazards, and is a harbinger of future earthquakes and volcanic eruptions, establishing a basis for studies to institute better protection of infrastructure and upper plate cultures in the region.
format	article
author	Jiannan Meng Ozan Sinoplu Zhipeng Zhou Bulent Tokay Timothy Kusky Erdin Bozkurt Lu Wang
author_facet	Jiannan Meng Ozan Sinoplu Zhipeng Zhou Bulent Tokay Timothy Kusky Erdin Bozkurt Lu Wang
author_sort	Jiannan Meng
title	Greece and Turkey Shaken by African tectonic retreat
title_short	Greece and Turkey Shaken by African tectonic retreat
title_full	Greece and Turkey Shaken by African tectonic retreat
title_fullStr	Greece and Turkey Shaken by African tectonic retreat
title_full_unstemmed	Greece and Turkey Shaken by African tectonic retreat
title_sort	greece and turkey shaken by african tectonic retreat
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/e49c87cae29a4ec89ff52308b684c403
work_keys_str_mv	AT jiannanmeng greeceandturkeyshakenbyafricantectonicretreat AT ozansinoplu greeceandturkeyshakenbyafricantectonicretreat AT zhipengzhou greeceandturkeyshakenbyafricantectonicretreat AT bulenttokay greeceandturkeyshakenbyafricantectonicretreat AT timothykusky greeceandturkeyshakenbyafricantectonicretreat AT erdinbozkurt greeceandturkeyshakenbyafricantectonicretreat AT luwang greeceandturkeyshakenbyafricantectonicretreat
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Greece and Turkey Shaken by African tectonic retreat

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