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Abstract:
The February 6, 2023 Kahramanmaras- Gaziantep Turkey M7.8 Earthquake, was one of the largest earthquake to hit Turkey in several decades. The event caused large number of death in Turkey and Syria. The earthquake resulted in thousands of totally collapsed building and thousands of damaged to the degree that are beyond repairs. The economic loses is not yet estimated but it can be said it is enormous in both countries. The quake devastated several provinces in south central Turkey and northwestern Syria. A fault rupture of 290 km long has been reported. The fault rupture correspond to several segments of East Anatolian Fault Zone. Intensity of ground shaking in the Mezoseismal zone is reported to exceed XI on MMI scale. Ground deformation is vast in Syrian side especially along the Al-Asi River flood plain. Liquefaction features is mapped and observed in serval bends in the flood plain. These liquefaction features are also observed inside village house in the developed part of the flood plain area. Sagging and subsidence of riverbank is observed and river rapids is reported. Subsidence along the Euphrates river flood plan is reported as far as 500 km at the Syrian Iraqi border. Key words: Liquefaction, Al-Asi river flood plain
