Rapid Characterization of the February 2023 Kahramanmaraş, Türkiye, Earthquake Sequence

Dara E. Goldberg*, Tuncay Taymaz, Nadine G. Reitman, Alexandra E. Hatem, Seda Yolsal-çevikbilen, William D. Barnhart, Tahir Serkan Irmak, David J. Wald, Taylan Öcalan, William L. Yeck, Berkan Özkan, Jessica A. Thompson Jobe, David R. Shelly, Eric M. Thompson, Christopher B. Duross, Paul S. Earle, Richard W. Briggs, Harley Benz, Ceyhun Erman, Ali Hasan DoğanCemali Altuntaş

*Bu çalışma için yazışmadan sorumlu yazar

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36 Atıf (Scopus)

Özet

The 6 February 2023 Mw 7.8 Pazarcık and subsequent Mw 7.5 Elbistan earthquakes generated strong ground shaking that resulted in catastrophic human and economic loss across south-central Türkiye and northwest Syria. The rapid characterization of the earthquakes, including their location, size, fault geometries, and slip kinematics, is critical to estimate the impact of significant seismic events. The U.S. Geological Survey National Earthquake Information Center (NEIC) provides real-time monitoring of earthquakes globally, including rapid source characterization and impact estimates. Here, we describe the seismic characterization products generated and made available by the NEIC over the two weeks follow-ing the start of the earthquake sequence in southeast Türkiye, their evolution, and how they inform our understanding of regional seismotectonics and hazards. The kinematics of rupture for the two earthquakes was complex, involving multiple fault segments. Therefore, incorporating observations from rupture mapping was critical for characterizing these events. Dense local datasets facilitated robust source characterization and impact assessment once these observations were obtained and converted to NEIC product input formats. We discuss how we may improve the timeliness of NEIC products for rapid assessment of future seismic hazards, particularly in the case of complex ruptures.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)156-167
Sayfa sayısı12
DergiSeismic Record
Hacim3
Basın numarası2
DOI'lar
Yayın durumuYayınlandı - Nis 2023

Bibliyografik not

Publisher Copyright:
© 2023. The Authors.

Finansman

The authors appreciate the Department of Earthquake, Disaster and Emergency Management Authority (AFAD) seismological data services for providing an initial catalog of aftershocks and phase arrival data acquired from their bulletin resources. Tuncay Taymaz (T. T.) acknowledges the Istanbul Technical University Research Fund, Turkish Academy of Sciences (TÜBA) in the framework for Young Scientist Award Program (TÜBA-GEBİP), and the Alexander von Humboldt Foundation Research Fellowship Award for financial support and for further providing computing facilities through the Humboldt-Stiftung Follow-Up Program. T. T. appreciates Beyza Taymaz’s phenomenal support during chaotic days and sleepless nights, trying to organize international scientific collaborations and to coordinate global media requests. The authors also acknowledge Ben Brooks, Brian Shiro, and two anonymous reviewers for their valuable comments. The authors appreciate the Department of Earthquake, Disaster and Emergency Management Authority (AFAD) seismological data services for providing an initial catalog of aftershocks and phase arrival data acquired from their bulletin resources. Tuncay Taymaz (T. T.) acknowledges the Istanbul Technical University Research Fund, Turkish Academy of Sciences (TÜBA) in the framework for Young Scientist Award Program (TÜBA-GEBİP), and the Alexander von Humboldt Foundation Research Fellowship Award for financial support and for further providing computing facilities through the Humboldt-Stiftung Follow-Up Program. T. T. appreciates Beyza Taymaz’s phenomenal support during chaotic days and sleepless nights, trying to organize international scientific collaborations and to coordinate global media requests. The authors also acknowledge Ben Brooks, Brian Shiro, and two anonymous reviewers for their valuable comments. Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.

FinansörlerFinansör numarası
AFAD
Department of Earthquake, Disaster and Emergency Management Authority
TÜBA
TÜBA-GEBİP
U.S. Government
Alexander von Humboldt-Stiftung
Türkiye Bilimler Akademisi
Istanbul Teknik Üniversitesi

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