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Son dakika haberine nazaran, \u0130zmir Bayrakl\u0131\u2019da zelzelenin neden oldu\u011fu y\u0131k\u0131m\u0131n akabinde g\u00f6zler, b\u00fcy\u00fck bir zelzelenin beklendi\u011fi \u0130stanbul\u2019daki riskli tabanlara \u00e7evrildi.<\/b><\/p>\n<\/div>\n<\/div>\n Uzmanlar, \u0130stanbul\u2019daki eski dere yataklar\u0131, Marmara Denizi\u2019nin Zeytinburnu\u2019ndan Silivri\u2019ye uzanan k\u0131y\u0131 band\u0131 ile B\u00fcy\u00fck ve K\u00fc\u00e7\u00fck\u00e7ekmece G\u00f6lleri\u2019nin \u00e7evreleyen alanlar\u0131n gev\u015fek al\u00fcvyon \u00e7\u00f6kellerden olu\u015ftu\u011fu ikaz\u0131nda bulundu.<\/b><\/p>\n<\/div>\n<\/div>\n \u0130stanbul Teknik \u00dcniversitesi Maden Fak\u00fcltesi Jeoloji M\u00fchendisli\u011fi B\u00f6l\u00fcm\u00fc\u2019nden Prof. Dr. Cenk Yalt\u0131rak, \u0130stanbul\u2019da zirvelere \u00e7\u0131kt\u0131k\u00e7a taban riskinin azald\u0131\u011f\u0131na dikkat \u00e7ekti.<\/b><\/p>\n<\/div>\n<\/div>\n Prof. Dr. Cenk Yalt\u0131rak, \u201cAralar\u0131nda Ayamama, Cendere, Ayazmadere, Kurba\u011fal\u0131dere, Ku\u015fdili, Ka\u011f\u0131thane, G\u00f6ksu, K\u00fc\u00e7\u00fcksu, ve her iki \u00c7ekmece G\u00f6lleri\u2019nin k\u0131y\u0131 b\u00f6l\u00fcmleri ta\u015f\u0131ma g\u00fcc\u00fc \u00e7ok d\u00fc\u015f\u00fck, zelzele y\u00fckleri alt\u0131nda yumu\u015fama e\u011filiminde olan yer yap\u0131s\u0131na sahip alanlar.<\/b><\/p>\n<\/div>\n<\/div>\n B\u00fcy\u00fck zelzelede en riskli yerler al\u00fcvyon vadiler. Bu nesillerde yap\u0131la\u015fma olmamas\u0131 yahut \u00e7ok sa\u011flam yap\u0131 sto\u011funun olmas\u0131 gerekir. B\u00fcy\u00fck\u00e7ekmece, Atak\u00f6y, Bak\u0131rk\u00f6y ve Zeytinburnu k\u0131y\u0131s\u0131 de yer a\u00e7\u0131s\u0131ndan en riskli b\u00f6lgeler\u201d dedi.<\/b><\/p>\n<\/div>\n<\/div>\n Al\u00fcvyon yerlere konseyi yap\u0131lar\u0131n zelzele s\u0131ras\u0131nda yer b\u00fcy\u00fctmesine maruz kald\u0131klar\u0131n\u0131 lisana getiren Prof. Dr. Yalt\u0131rak, yerin zelzeleye tesirini de \u015fu bi\u00e7imde anlatt\u0131:<\/b><\/p>\n<\/div>\n<\/div>\n \u201cDepremin \u015fiddeti dedi\u011fimiz, ortaya \u00e7\u0131kan sars\u0131nt\u0131 yahut titre\u015fim g\u00fcc\u00fc. Y\u00fczey b\u00fcy\u00fctmesi olan binalar daha uzun titre\u015fip, sallan\u0131rken, y\u00fczey b\u00fcy\u00fctmesi olmayan yahut en az olan sa\u011flam tabandaki yap\u0131larda sallanma daha k\u0131sa s\u00fcrer.<\/b><\/p>\n<\/div>\n<\/div>\n Bayrakl\u0131\u2019da y\u0131k\u0131lan \u0130stek Beyefendi apartman\u0131n\u0131n g\u00f6r\u00fcnt\u00fc manzaralar\u0131nda sars\u0131nt\u0131 b\u00fcy\u00fctmesi a\u00e7\u0131k\u00e7a g\u00f6r\u00fcl\u00fcyor. Sars\u0131nt\u0131n\u0131n 40. saniyesinde kolon patl\u0131yor. A\u015fik\u00e2r ki yap\u0131n\u0131n giri\u015f kat\u0131ndaki kolon tra\u015flanm\u0131\u015f.<\/b><\/p>\n<\/div>\n<\/div>\n K\u00f6\u015fe kolon patlay\u0131nca bina oldu\u011fu \u00fczere \u00e7\u00f6k\u00fcyor. Ola\u011fanda kaya taban olsa sal\u0131n\u0131m 15 saniye s\u00fcrecek lakin lapa \u00fczere yerde 45 saniye sal\u0131n\u0131m kelam konusu. \u0130stanbul\u2019un Bayrakl\u0131\u2019ya benzeri tabanlar\u0131nda de m\u00fcmk\u00fcn zelzelede uzun s\u00fcrecek sal\u0131n\u0131m tehlikesi var.\u201d<\/b><\/p>\n<\/div>\n<\/div>\n Prof. Dr. Yalt\u0131rak\u2019\u0131n \u0130stanbul\u2019un yer a\u00e7\u0131s\u0131ndan riskli b\u00f6lgelerine y\u00f6nelik tespitleri de \u015f\u00f6yle:\u00a0\u201cVadi al\u00fcvyonlar\u0131nda yumu\u015fak kil dedi\u011fimiz katman hakimdir. Silivri\u2019den Beylikd\u00fcz\u00fc\u2019ne uzanan k\u0131s\u0131mdaki taban yumu\u015fak dedi\u011fimiz zelzele b\u00fcy\u00fctmesine yol a\u00e7acak \u00f6zellikte.<\/b><\/p>\n<\/div>\n<\/div>\n B\u00f6lgenin taban\u0131, kil, k\u00f6m\u00fcr, kum ve \u00e7ak\u0131ldan olu\u015fuyor. Zelzele dalgalar\u0131 yerde kayda paha b\u00fcy\u00fctmeye neden olabilir. Bak\u0131rk\u00f6y ve Atak\u00f6y k\u0131y\u0131 band\u0131 da al\u00fcvyonlardan olu\u015fan bir b\u00f6lge oldu\u011fundan yer riski ta\u015f\u0131yan yerlerden.<\/b><\/p>\n<\/div>\n<\/div>\n Kad\u0131k\u00f6y\u2019deki Kurba\u011fal\u0131dere ve Ku\u015fdili b\u00f6lgesi de kil ve \u00e7amurdan olu\u015fan riskli yere sahip yerler. Bu yumu\u015fak katman zelzele b\u00fcy\u00fctmesi yaratabilir.<\/b><\/p>\n<\/div>\n<\/div>\n \u00c7ok konu\u015fulmayan, lisana getirilmeyen yeri riskli yerler ortas\u0131nda Kas\u0131mpa\u015fa, Be\u015fikta\u015f, G\u00f6kt\u00fcrk, Vatan Caddesi de yer al\u0131yor. \u0130stanbul\u2019da insan eliyle yap\u0131lan dolgu alanlar da \u00e7ok riskli.\u201d<\/b><\/p>\n<\/div>\n<\/div>\n Jeoloji M\u00fchendisleri Odas\u0131 Lideri H\u00fcseyin Alan da \u0130stanbul\u2019un taban a\u00e7\u0131s\u0131ndan \u0130zmir\u2019e nazaran daha \u015fansl\u0131 bir kent oldu\u011funu belirterek, \u201c\u015eehrin b\u00fcy\u00fck k\u0131sm\u0131 kaya yer \u00fczerine oturuyor.<\/b><\/p>\n<\/div>\n<\/div>\n Fakat Atak\u00f6y\u2019den Florya\u2019ya uzanan k\u0131y\u0131 band\u0131 ile her iki \u00c7ekmece G\u00f6l\u00fc\u2019n\u00fcn etraf\u0131 Bayrakl\u0131\u2019daki \u00fczere k\u0131y\u0131 al\u00fcvyonlar\u0131ndan olu\u015fuyor.<\/b><\/p>\n<\/div>\n<\/div>\n \u00c7\u0131rp\u0131c\u0131 Deresi\u2019nin oldu\u011fu s\u0131n\u0131r\u0131n yeri de yumu\u015fak. Anadolu Yakas\u0131\u2019nda ise Kurba\u011fal\u0131dere ve etraf\u0131 taban riskli alanlar\u201d dedi.<\/b><\/p>\n<\/div>\n<\/div>\n \u2018T\u00fcrkiye Canl\u0131 Fay Haritas\u0131\u2019n\u0131n kesinlikle revize edilmesi gerekti\u011fine de\u011finen Alan, \u201c8 y\u0131l i\u00e7erisinde bir\u00e7ok yeni zelzele ve beraberinde bilgi g\u00fcn y\u00fcz\u00fcne \u00e7\u0131kt\u0131. Canl\u0131 fay haritas\u0131na i\u015flenmemi\u015f fakat faal oldu\u011funu bildi\u011fimiz faylar mevcut.<\/b><\/p>\n<\/div>\n<\/div>\n AFAD ve MTA\u2019n\u0131n bu hususta \u00e7al\u0131\u015fmalar y\u00fcr\u00fctmesi gerekir. Canl\u0131 Fay Haritas\u0131\u2019nda 4 yahut 5.derece sars\u0131nt\u0131 nesli olarak bilinen bir\u00e7ok b\u00f6lgenin, asl\u0131nda 1\u2019inci yahut 2\u2019inci derece zelzele jenerasyonunda oldu\u011funu \u00f6\u011frendik.<\/b><\/p>\n<\/div>\n<\/div>\n \u0130stanbul\u2019un Marmara k\u0131y\u0131lar\u0131 1. derece sars\u0131nt\u0131 jenerasyonu olarak kabul ediliyor. Fakat bug\u00fcn prestijiyle \u0130stanbul\u2019un t\u00fcm\u00fc 1. derece zelzele riski alt\u0131nda\u201d diye konu\u015ftu.<\/b><\/p>\n<\/div>\n<\/div>\n \u0130stanbul\u2019daki riskli ve sa\u011flam tabanl\u0131 b\u00f6lgelere ili\u015fkin en k\u0131ymetli bilgi ise \u0130stanbul Jeoloji Haritas\u0131.<\/b><\/p>\n<\/div>\n<\/div>\n Megakentteki riskli haritada gri, a\u00e7\u0131k sar\u0131 ve sar\u0131 renkteki alanlar taban riskli yerlerin ba\u015f\u0131nda geliyor.<\/b><\/p>\n<\/div>\n<\/div>\n \u0130stanbul Jeoloji Haritas\u0131\u2019nda \u2018Dani\u015fmen Formasyonu\u2019 olarak tan\u0131mlanan ve Silivri\u2019den Beylikd\u00fcz\u00fc\u2019ne uzanan b\u00f6lge y\u00fcksek riskli yer s\u0131n\u0131f\u0131nda yer al\u0131yor.<\/b><\/p>\n<\/div>\n<\/div>\n Bak\u0131rk\u00f6y-G\u00fcng\u00f6ren \u00e7izgisi yahut Bak\u0131rk\u00f6y katman\u0131 olarak tan\u0131mlanan b\u00f6lge ise kire\u00e7ta\u015f\u0131 ve zay\u0131f kaya niteli\u011finde yer al\u0131yor.<\/b><\/p>\n<\/div>\n<\/div>\n B\u00f6lge yatay katmanl\u0131, tebe\u015firsi, killi kire\u00e7ta\u015f\u0131ndan olu\u015furken, Merter ve Haznedar etraf\u0131ndaki kire\u00e7ta\u015flar\u0131 i\u00e7in de erime bo\u015fluklar\u0131n\u0131n oldu\u011fu vurgulan\u0131yor.<\/b><\/p>\n<\/div>\n<\/div>\n Sars\u0131nt\u0131 dalgalar\u0131n\u0131n G\u00fcng\u00f6ren ve \u00c7ukur\u00e7e\u015fme semtlerinde de\u011ferli b\u00fcy\u00fctmelere neden olaca\u011f\u0131 uzmanlar taraf\u0131ndan lisana getirilirken Anadolu Yakas\u0131\u2019nda ise Ku\u015fdili ve Kurba\u011fal\u0131dere formasyonu y\u00fcksek riskli yerler olarak \u00f6ne \u00e7\u0131k\u0131yor.<\/b><\/p>\n<\/div>\n<\/div>\n Milliyet<\/span><\/p>\n","protected":false},"excerpt":{"rendered":" \n Son dakika haberine nazaran, \u0130zmir Bayrakl\u0131\u2019da zelzelenin neden oldu\u011fu y\u0131k\u0131m\u0131n akabinde g\u00f6zler, b\u00fcy\u00fck bir zelzelenin beklendi\u011fi \u0130stanbul\u2019daki …<\/p>\n","protected":false},"author":1,"featured_media":20703,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-20702","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gundem"],"yoast_head":"\n <\/div>\n<\/div>\n
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