{"id":68580,"date":"2026-06-28T22:34:53","date_gmt":"2026-06-28T19:34:53","guid":{"rendered":"https:\/\/bilimvegelecek.com.tr\/?p=68580"},"modified":"2026-06-28T22:34:53","modified_gmt":"2026-06-28T19:34:53","slug":"24-haziran-2026-venezuela-buyuk-deprem-ciftinin-sismolojik-ozellikleri","status":"publish","type":"post","link":"https:\/\/bilimvegelecek.com.tr\/index.php\/2026\/06\/28\/24-haziran-2026-venezuela-buyuk-deprem-ciftinin-sismolojik-ozellikleri","title":{"rendered":"24 Haziran 2026 Venezuela b\u00fcy\u00fck deprem \u00e7iftinin sismolojik \u00f6zellikleri"},"content":{"rendered":"

Haluk Eyido\u011fan<\/strong><\/p>\n

24 Haziran 2026 tarihinde G\u00fcney Amerika\u2019n\u0131n en kuzeyinde Venezuela\u2019n\u0131n Karakas \u015fehrinin 130 km bat\u0131s\u0131ndaki Yumare b\u00f6lgesinde yerel saatle 18:04\u2019te 20 km derinlikte 7.2 b\u00fcy\u00fckl\u00fckte (USGS, 2026a, b) bir deprem oldu. Bu depremden kurtulanlar ka\u00e7\u0131\u015f\u0131rken, 39 saniye sonra ayn\u0131 yerde 7.5 b\u00fcy\u00fckl\u00fc\u011f\u00fcnde bir ba\u015fka deprem daha oldu. Deprem olaylar\u0131nda s\u0131k\u00e7a rastlanmayan bu \u00e7ift deprem nedeniyle hasar ve can kayb\u0131 artt\u0131.<\/p>\n

7.5 b\u00fcy\u00fckl\u00fc\u011f\u00fcndeki ikinci deprem, ilk depremin merkezine g\u00f6re yakla\u015f\u0131k 7 km kadar daha do\u011fuda ortaya \u00e7\u0131kt\u0131 (\u015eekil 1). \u00a0Her iki depremin maksimum \u015fiddeti deprem merkezinde 8.5-9.0 aras\u0131nda oldu\u011fu belirlendi.<\/p>\n

\"\"
\u015eekil 1. 24 Haziran 2026\u2019da Venezuela\u2019n\u0131n kuzeyinde 39 saniye arayla olu\u015fan 7.2 ve 7.5 b\u00fcy\u00fckl\u00fckteki depremlerin konumlar\u0131 ve olu\u015fturduklar\u0131 \u015fiddetin da\u011f\u0131l\u0131m\u0131. Y\u0131ld\u0131z depremlerin d\u0131\u015f merkezlerini g\u00f6sterir. Deprem nedeniyle olu\u015fan sars\u0131nt\u0131 \u015fiddeti maksimum 9 olmu\u015ftur. \u015eekildeki k\u0131rm\u0131z\u0131 \u00e7izgili alan \u015fiddetin 8.5 oldu\u011fu alan\u0131 g\u00f6sterir. \u015eiddet haritalar\u0131 USGS (2026a, b)\u2019dan al\u0131nm\u0131\u015ft\u0131r.<\/figcaption><\/figure>\n

G\u00fcney Amerika\u2019n\u0131n kuzeyinde yer alan \u00fclkeler i\u00e7in en etkili do\u011fa kaynakl\u0131 tehlikeler deprem ve tsunamidir. Venezuela, bat\u0131ya do\u011fru y\u0131lda 20 mm h\u0131zla kayan Kuzey Amerika Levhas\u0131\u2019n\u0131n bat\u0131s\u0131nda Kokos Levhas\u0131 ve Nazka Levhas\u0131 aras\u0131nda kalan ve bu nedenle do\u011fuya do\u011fru hareket etme zorunda kalan Karayip Levhas\u0131\u2019n\u0131n g\u00fcneyinde yer almaktad\u0131r (\u015eekil 2).<\/p>\n

Nazka Levhas\u0131, G\u00fcney Amerika’n\u0131n alt\u0131na do\u011fru do\u011fuya do\u011fru yakla\u015f\u0131k 65 mm\/y\u0131l h\u0131zla dalmaktad\u0131r. Bu levha s\u0131n\u0131r\u0131nda 31 Ocak 1906’da 8.5 b\u00fcy\u00fckl\u00fc\u011f\u00fcndeki bir deprem, olmu\u015ftur Kokos levhas\u0131, Orta Amerika’n\u0131n bat\u0131 k\u0131y\u0131s\u0131 boyunca, Karayip Levhas\u0131\u2019n\u0131n alt\u0131na do\u011fru ve do\u011fu y\u00f6n\u00fcnde dalmaktad\u0131r. Her iki levhan\u0131n yak\u0131nsama h\u0131z\u0131 72-81 mm\/y\u0131l aras\u0131nda de\u011fi\u015fmekte ve kuzeye do\u011fru azalmaktad\u0131r (\u015eekil 2). Bu dalma-batma zonu, y\u00fcksek deprem ve \u00e7ok say\u0131da aktif volkan etkinli\u011fine neden olur. Depremler Kokos Levhas\u0131 i\u00e7erisinde yakla\u015f\u0131k 300 km derinli\u011fe kadar olu\u015fmaktad\u0131r. 1900 y\u0131l\u0131ndan bu yana, bu b\u00f6lgede, 7 Eyl\u00fcl 1915’teki 7.4 b\u00fcy\u00fckl\u00fc\u011f\u00fcndeki El Salvador ve 5 Ekim 1950’deki 7.8 b\u00fcy\u00fckl\u00fc\u011f\u00fcndeki Kosta Rika depremleri yan\u0131s\u0131ra bir\u00e7ok orta b\u00fcy\u00fckl\u00fckte ve orta derinlikte depremler olmu\u015ftur.<\/p>\n

Bu levha hareketlerinin olu\u015fturdu\u011fu kuvvetler nedeniyle Venezuela\u2019n\u0131n kuzey k\u0131y\u0131s\u0131 boyunca bir d\u00f6n\u00fc\u015f\u00fcm (transform) fay olu\u015fmu\u015ftur. Venezuela, kuzeyinde do\u011fu-bat\u0131 do\u011frultusunda uzanan 200 km uzunluktaki bu d\u00f6n\u00fc\u015f\u00fcm fay\u0131 \u00fczerinde b\u00fcy\u00fckl\u00fc\u011f\u00fc 8.0\u2019e kadar ula\u015fabilen depremlere maruz kalmaktad\u0131r.<\/p>\n

\"\"
\u015eekil 2. Karayip Denizi \u00e7evresinde konumlanan tektonik levhalar\u0131n konumlar\u0131 ve hareket \u00f6zellikleri (USGS, 2026a ,b). Haritadaki renkler depremlerden dolay\u0131 maruz kal\u0131nabilecek maksimum yatay yer hareketinin ivme de\u011ferlerini g\u00f6stermektedir. 24 Haziran 2026 tarihinde olu\u015fan depremleri yaratan 200 km uzunluktaki d\u00f6n\u00fc\u015f\u00fcm fay\u0131 mavi renkli \u00e7izgi ile, fay\u0131n hareket y\u00f6n\u00fc mavi renkli oklarla g\u00f6sterilmi\u015ftir. Beyaz renkli oklar tektonik levhalar\u0131n y\u0131ll\u0131k hareket h\u0131zlar\u0131n\u0131 ve hareket y\u00f6nlerini g\u00f6sterir. Levha s\u0131n\u0131rlar\u0131ndaki hareket \u00f6zellikleri \u015feklin yan\u0131ndaki lejantta verilmi\u015ftir.<\/figcaption><\/figure>\n

\u015eekil 3\u2019de g\u00f6sterilen ve b\u00fcy\u00fckl\u00fckleri 6.0 ve daha fazla olan depremlerin olu\u015fmas\u0131n\u0131n nedeni, Karayip Denizi \u00e7evresindeki tektonik levhalar\u0131n hareketleridir (\u015eekil 2). Kuzey Amerika Levhas\u0131, Karayip Levhas\u0131\u2019n\u0131n kuzey ve do\u011fu s\u0131n\u0131rlar\u0131 boyunca yakla\u015f\u0131k 20 mm\/y\u0131l h\u0131zla bat\u0131ya do\u011fru hareket eder ve Karayip Levhas\u0131\u2019n\u0131n alt\u0131na dalar. Karayip levhas\u0131n\u0131n do\u011fu ve bat\u0131 b\u00f6lgelerindeki dalma-batma ku\u015faklar\u0131 orta b\u00fcy\u00fckl\u00fckte (M<6.0) s\u0131\u011f ve derin depremleri i\u00e7eren yayg\u0131n sismik etkinlik sergiler.<\/p>\n

Karayip Levhas\u0131\u2019n\u0131n g\u00fcneyinde G\u00fcney Amerika Levhas\u0131 ile s\u0131n\u0131r\u0131 do\u011fu-bat\u0131 do\u011frultusunda sa\u011f y\u00f6nl\u00fc do\u011frultu at\u0131ml\u0131 bir d\u00f6n\u00fc\u015f\u00fcm fay\u0131 olu\u015fturur (\u015eekil 2). Karayip Levhas\u0131\u2019n\u0131n her y\u0131l ortalama 20 mm h\u0131zla bat\u0131ya hareketi nedeniyle Venezuela\u2019n\u0131n kuzeyinde konu\u015flanan d\u00f6n\u00fc\u015f\u00fcm fay\u0131, \u00fczerinde biriken sismik gerilmeyi 24 Haziran 2026 tarihinde fay\u0131 hareket ettirerek 7.2 ve 7.5 b\u00fcy\u00fckl\u00fc\u011f\u00fcnde iki depremle bo\u015faltm\u0131\u015ft\u0131r. Bu d\u00f6n\u00fc\u015f\u00fcm fay\u0131 29 Ekim 1900’deki 7.7 b\u00fcy\u00fckl\u00fc\u011f\u00fcndeki Karakas depremi ve ayn\u0131 b\u00f6lgeye yak\u0131n 29 Temmuz 1967’deki 6.5 b\u00fcy\u00fckl\u00fc\u011f\u00fcndeki depremleri olu\u015fturmu\u015ftur.<\/p>\n

\"\"
\u015eekil 3. Venezuela ve \u00e7evresinde 1900-2026 y\u0131llar\u0131 aras\u0131nda olmu\u015f ve b\u00fcy\u00fckl\u00fckleri M\u2265 6.0 ve daha fazla olan depremlerin d\u0131\u015f merkez da\u011f\u0131l\u0131mlar\u0131. Veriler USGS (2026a, b)\u2019den al\u0131nm\u0131\u015ft\u0131r.<\/figcaption><\/figure>\n

USGS (2026a, b)\u2019in yapt\u0131\u011f\u0131 deprem kaynak mekanizmas\u0131 analizine g\u00f6re, b\u00f6lgedeki d\u00f6n\u00fc\u015f\u00fcm fay\u0131n\u0131n bat\u0131 b\u00f6lgesinde 50 km uzunlukta bir fay ortalama 1 m kayarak 7.2 b\u00fcy\u00fckl\u00fc\u011f\u00fcndeki ilk depremi olu\u015fturmu\u015ftur (\u015eekil 4). G\u00f6r\u00fc\u015f\u00fcme g\u00f6re, bu fay\u0131n hareketi ile do\u011fu kenar\u0131nda y\u00fckselen sismik gerilme 39 saniye sonra fay\u0131n daha b\u00fcy\u00fck par\u00e7as\u0131n\u0131 hareket ettirerek yerkabu\u011funda 200 km uzunlukta ve 40 km geni\u015flikte fay \u00fczerinde maksimum 2 m yer de\u011fi\u015ftirmeye ve dolay\u0131s\u0131yla 7.5 b\u00fcy\u00fckl\u00fc\u011f\u00fcnde bir deprem yaratm\u0131\u015ft\u0131r (\u015eekil 4). Bu ikinci deprem k\u0131y\u0131ya paralel uzanan ve ba\u015fkent Karakas\u2019a kadar ula\u015fan d\u00f6n\u00fc\u015f\u00fcm fay\u0131 \u00fczerinde geli\u015fmi\u015ftir.<\/p>\n

Deprem kaynak fonksiyonu modellemesine g\u00f6re, 7.2 b\u00fcy\u00fckl\u00fc\u011f\u00fcndeki ilk depremi olu\u015fturan fay\u0131n kayma s\u00fcresinin 10\u2019uncu saniyesinde 7.5 b\u00fcy\u00fckl\u00fc\u011f\u00fcndeki deprem geli\u015fmeye ba\u015flam\u0131\u015f ve toplamda iki depremin t\u00fcm sismik enerjisinin sal\u0131m s\u00fcresi 100 saniye s\u00fcrm\u00fc\u015ft\u00fcr (USGS, 2026a, b). 7.2 ve 7.5 b\u00fcy\u00fckl\u00fc\u011f\u00fcndeki bu \u00e7ift depremlerin olu\u015fturdu\u011fu toplam fay uzunlu\u011fu 250 km\u2019dir. Normal ko\u015fullar alt\u0131nda faylar\u0131n kayma (y\u0131rt\u0131lma) h\u0131z\u0131 ortalama 2.5 km\/saniye\u2019dir.<\/p>\n

\"\"
\u015eekil 4. 24.6.2026 tarihinde Venezuela kuzeyinde olu\u015fan 7.2 ve 7.5 b\u00fcy\u00fckl\u00fc\u011f\u00fcndeki \u00e7ift depremin olu\u015fturdu\u011fu fay yap\u0131s\u0131n\u0131n, deprem kay\u0131tlar\u0131 kullan\u0131larak USGS (2026a, b) taraf\u0131ndan yap\u0131lan sismolojik analizi sonucu elde edilen deprem kaynak modeli.<\/figcaption><\/figure>\n

24 Haziran 2026\u2019da ya\u015fanan 7.2 b\u00fcy\u00fckl\u00fc\u011f\u00fcndeki depremden 39 saniye sonra ayn\u0131 yerde 7.5 b\u00fcy\u00fckl\u00fc\u011f\u00fcndeki depremin olu\u015fmas\u0131 gibi olaylar deprembilim (sismoloji) ara\u015ft\u0131rmalar\u0131nda \u00e7ok ender rastlanan bir durumdur. B\u00fcy\u00fckl\u00fckleri birbirine yak\u0131n b\u00f6yle deprem olu\u015fumlar\u0131na deprembilim yay\u0131nlar\u0131nda \u00e7ift (doublet) deprem s\u0131fat\u0131 verilmektedir (Kagan ve Jacksons, 1999).<\/p>\n

7.2 b\u00fcy\u00fckl\u00fc\u011f\u00fcndeki deprem, 7.5 b\u00fcy\u00fckl\u00fc\u011f\u00fcndeki depremden sismik enerji bak\u0131m\u0131ndan 2.8 kez daha k\u00fc\u00e7\u00fckt\u00fcr. Baz\u0131 deprembilimciler 39 saniye arayla olmu\u015f bu deprem ikilisini sismik enerji a\u00e7\u0131s\u0131ndan ele alarak \u00f6nc\u00fc ve ana deprem ayr\u0131m\u0131 yapabilirler. Bu ayr\u0131mla ilgili konu \u00fczerindeki tart\u0131\u015fman\u0131n \u00f6n\u00fcm\u00fczdeki g\u00fcnlerde deprembilimciler taraf\u0131ndan daha ayr\u0131nt\u0131l\u0131 analizler \u0131\u015f\u0131\u011f\u0131nda g\u00fcndeme gelece\u011fini tahmin ediyorum.<\/p>\n

Bu makalenin yaz\u0131ld\u0131\u011f\u0131 tarihte resmi verilere g\u00f6re depremlerde 1.430 ki\u015finin hayat\u0131n\u0131 kaybetti\u011fi, 3.238 ki\u015finin yaraland\u0131\u011f\u0131 rapor edilmi\u015ftir (BBC, 2026). On binlerce ki\u015finin halen kay\u0131p oldu\u011fu bildirilmi\u015ftir. \u00a0Depremlerde en az 383 binan\u0131n, 13 hastanenin, 25 al\u0131\u015fveri\u015f merkezinin ve \u00e7ok say\u0131da di\u011fer t\u00fcr yap\u0131lar\u0131n \u00f6nemli derece hasar g\u00f6rd\u00fc\u011f\u00fc bildirilmi\u015ftir. On binlerce ki\u015finin ise h\u00e2l\u00e2 kay\u0131p oldu\u011fu belirtilmektedir.<\/p>\n

D\u00fcnyan\u0131n bir\u00e7ok \u00fclkesinden gelen acil durum ekipleri, Venezuela’daki arama kurtarma \u00e7al\u0131\u015fmalar\u0131na destek vermektedir. Toplamda 2.242 kurtarma g\u00f6revlisi ve 96 k\u00f6pek birimi arama-kurtarma g\u00f6revi yapmaktad\u0131r.<\/p>\n

Bas\u0131na yans\u0131yan haberlere g\u00f6re 3.142 ailenin bar\u0131naklarda bak\u0131m g\u00f6rd\u00fc\u011f\u00fc, hastanelerin 5.000’den fazla vakada do\u011frudan t\u0131bbi bak\u0131m sa\u011flad\u0131\u011f\u0131, afet b\u00f6lgelerinde 7.500’den fazla triyaj de\u011ferlendirmesi ve 12.000’den fazla t\u0131bbi kons\u00fcltasyon ger\u00e7ekle\u015ftirildi\u011fi, 73.700’den fazla aileye do\u011frudan yard\u0131m sa\u011fland\u0131\u011f\u0131 ve \u00f6zellikle en \u00e7ok etkilenen La Guaira eyaletinde olmak \u00fczere afet b\u00f6lgelerinde 7.2 milyon kg g\u0131da da\u011f\u0131t\u0131ld\u0131\u011f\u0131 belirtilmi\u015ftir. Deprem b\u00f6lgesinde aralar\u0131nda askeri ve polis memurlar\u0131, kurtarma g\u00f6revlileri, sa\u011fl\u0131k ve paramedik personeli, destek personeli, psikologlar ve di\u011fer uzman \u00e7al\u0131\u015fanlar\u0131n da bulundu\u011fu 30.000’den fazla ki\u015fi yard\u0131m \u00e7al\u0131\u015fmalar\u0131 yapmaktad\u0131r.<\/p>\n

KAYNAKLAR<\/strong><\/p>\n

-APNEWS, 2026. https:\/\/apnews.com\/photo-gallery\/venezuela-earthquake-caracas-8ac96a783cd3c3b4312653806511d824<\/p>\n

– BBC, 2026. https:\/\/www.bbc.com\/news\/videos\/c0jye4eg2jjo<\/p>\n

– https:\/\/earthquake.usgs.gov\/earthquakes\/eventpage\/us6000t7zc\/executive<\/p>\n

– Kagan Y. Y., Jacksons D. D., 1999. Worldwide doublets of large shallow earthquakes. Bull. Sei mol. Soc. Am. 89, 1147\u20131155.<\/p>\n

– USGS, 2026a. United States Geological Survey,https:\/\/earthquake.usgs.gov\/earthquakes\/eventpage\/us6000t7zc\/executive<\/p>\n

– USGS, 2026b. United States Geological Survey, https:\/\/earthquake.usgs.gov\/earthquakes\/eventpage\/us6000t7zp\/executive<\/p>\n","protected":false},"excerpt":{"rendered":"

Haluk Eyido\u011fan 24 Haziran 2026 tarihinde G\u00fcney Amerika\u2019n\u0131n en kuzeyinde Venezuela\u2019n\u0131n Karakas \u015fehrinin 130 km bat\u0131s\u0131ndaki Yumare b\u00f6lgesinde yerel saatle 18:04\u2019te 20 km derinlikte 7.2 b\u00fcy\u00fckl\u00fckte (USGS, 2026a, b) bir deprem oldu. Bu depremden kurtulanlar ka\u00e7\u0131\u015f\u0131rken, 39 saniye sonra ayn\u0131 yerde 7.5 b\u00fcy\u00fckl\u00fc\u011f\u00fcnde bir ba\u015fka deprem daha oldu. Deprem olaylar\u0131nda s\u0131k\u00e7a rastlanmayan bu \u00e7ift deprem […]<\/p>\n","protected":false},"author":1575,"featured_media":68585,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19],"tags":[691,5479,10562],"class_list":["post-68580","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bilim-gundemi","tag-deprem","tag-haluk-eyidogan","tag-venezuela-depremi"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t