Unexpected far-field deformation of the 2023 Kahramanmaraş earthquakes revealed by space geodesy

Ergintav S., Vernant P., Tan O., Karabulut H., Özarpacı S., Floyd M., ...Daha Fazla

Science (New York, N.Y.), cilt.386, sa.6719, ss.328-335, 2024 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 386 Sayı: 6719
  • Basım Tarihi: 2024
  • Doi Numarası: 10.1126/science.ado4220
  • Dergi Adı: Science (New York, N.Y.)
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, Aerospace Database, Agricultural & Environmental Science Database, Animal Behavior Abstracts, Applied Science & Technology Source, Aquatic Science & Fisheries Abstracts (ASFA), Artic & Antarctic Regions, ATLA Religion Database, BIOSIS, CAB Abstracts, Chemical Abstracts Core, Communication Abstracts, Computer & Applied Sciences, EBSCO Education Source, Environment Index, Gender Studies Database, Geobase, Linguistic Bibliography, MEDLINE, Metadex, MLA - Modern Language Association Database, Pollution Abstracts, Psycinfo, Veterinary Science Database, zbMATH, DIALNET, Civil Engineering Abstracts
  • Sayfa Sayıları: ss.328-335
  • Yıldız Teknik Üniversitesi Adresli: Evet

Özet

The spatiotemporal pattern of surface displacements from large earthquakes provides crucial insights about the deformation of Earth's crust at various scales and the interactions among tectonic plates. However, the lack of extensive and large-scale geodetic networks near such seismic events hinders our thorough understanding of the large-scale crustal deformation resulting from earthquakes. Using Türkiye's extensive and continuous global navigation satellite system (GNSS) network during the moment magnitude 7.8 and 7.6 Kahramanmaraş earthquakes on 6 February 2023, we show that large earthquakes can induce far-field crustal deformations (>700 kilometers), exceeding current predictions from elastic dislocation models. They can lead to the mobilization of tectonic plates and the triggering of far-field earthquakes, which carries profound implications for seismic hazard assessments and necessitates a new perspective on crustal deformation and earthquake mechanics.