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Crustal Structure of the Eastern Anatolia Region (Turkey) Based on Seismic Tomography by Medved, Irina (author);Polat, Gulten (author);Koulakov, Ivan (author) is a Earth and Planetary Sciences article available to read on EtoBox.

What is Crustal Structure of the Eastern Anatolia Region (Turkey) Based on Seismic Tomography about?

Here, we investigated the crustal structure beneath eastern Anatolia, an area of high seismicity and critical significance for earthquake hazards in Turkey. The study was based on the local tomography method using data from earthquakes that occurred in the study area provided by the Turkiye Cumhuriyeti Ministry of Interior Disaster and Emergency Management Directorate Earthquake Department Directorate of Turkey. The dataset used for tomography included the travel times of 54,713 P-waves and 38,863 S-waves from 6355 seismic events. The distributions of the resulting seismic velocities (Vp, Vs) down to a depth of 60 km demonstrate significant anomalies associated with the major geologic and tectonic features of the region. The Arabian plate was revealed as a high-velocity anomaly, and the low-velocity patterns north of the Bitlis suture are mostly associated with eastern Anatolia. The upper crust of eastern Anatolia was associated with a ~10 km thick high-velocity anomaly; the lower crust is revealed as a wedge-shaped low-velocity anomaly. This kind of seismic structure under eastern Anatolia corresponded to the hypothesized existence of a lithospheric window beneath this collision z

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Author

Medved, Irina (author);Polat, Gulten (author);Koulakov, Ivan (author)

Publisher

MDPI AG

Published

2021

Language

EN

Field

Earth and Planetary Sciences (Physical Sciences)