EXAMINATION OF THE DISPLACEMENT AND DEFORMATION DUE TO 24TH MAY 2014 (ML=6.5) OFFSHORE OF GÖKÇEADA (IMBROS) AEGEAN SEA EARTHQUAKE

Year 2018, Volume: 20 Issue: 58, 230 - 244, 01.01.2018

Ayça Çırmık

Abstract

Investigation of the effect areas and occurred deformation due to major earthquakes is a significant finding for geosciences. Major earthquakes create displacement and deformation in great areas with the effect of co-seismic and postseismic movements. In this study, the earthquake, which was occurred at 24th May 2014 with Ml=6.5 offshore of Gökçeada (Imbros) in Aegean Sea and was felt in Marmara and Aegean regions, was handled and the effects of the earthquakes were examined. Marmara and Aegean regions were selected as the study area and 13 days GPS data, which included pre-seismic, coseismic and post-seismic effects, were processed of 14 continuous GNSS stations of CORS-TR (TUSAGA-Aktif) and the movements of these stations were figured out by examining the time-series. Consequently, it has been determined that this earthquake has affected all of the 14 stations and caused the deformation

Keywords

Gökçeada (Imbros), Aegean Sea earthquake, GNSS, time-series, deformation

24 MAYIS 2014 GÖKÇEADA AÇIKLARI – EGE DENİZİ DEPREMİNİN (ML=6.5) DEPREM ANI VE SONRASI MEYDANA GETİRDİĞİ YER DEĞİŞTİRMELER VE DEFORMASYONLARIN İRDELENMESİ

Abstract

Bir depremin etki alanının ve meydana getirdiği deformasyonların incelenmesi yerbilimleri açısından önemli bir bulgudur. Büyük depremler deprem anı ve deprem sonrasında büyük alanlarda yer değiştirme ve deformasyonlar meydana getirmektedir. Bu çalışmada, 24 Mayıs 2014 tarihinde Gökçeada açıkları Ege Denizi’nde Ml=6,5 büyüklüğünde meydana gelen deprem ele alınmış, Marmara ve Ege Bölgeleri’nde hissedilen bu depremin yer değiştirme etkileri irdelenmiştir. Çalışma alanı olan Marmara ve Ege Bölgeleri’nde kurulu 14 adet TUSAGA-Aktif sistemine ait sürekli GNSS istasyonlarının deprem öncesi, deprem anı ve deprem sonrasını içeren 13 günlük GPS verisi çözümlenerek, bu istasyonların bu depreme bağlı olarak nasıl hareket ettiği, bu istasyonların zaman serilerinin incelenmesiyle ortaya konmuştur. Sonuç olarak, bu depremin 14 adet istasyonunun tümünü etkilediği ve deformasyonlara neden olduğu görülmüştür

Keywords

Gökçeada, Ege Denizi Depremi, GNSS, zaman serisi, deformasyon

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