Abstract

The 2023 Turkey-Syria earthquakes (Mw=7.7 and Mw=7.6, respectively) had serious impact on human lives, infrastructure and buildings. Unfortunately, more than 15 million people have been affected and current estimation of financial loss exceeds 35 billion dollars. Furthermore, more than 550 Mw>4 aftershocks have been recorded since the catastrophic events of February 6th 2023. Such emergency situations require rapid actions for assessing the failure mechanism and scale of problematic landslides since immediate decisions should be taken in most extreme cases. Recent advances in technology allows the application of relatively simple methods for such emergency engineering estimation – a good example is the use of drones (UAV) which are easily available on market nowadays. Drone videos allow the subsequent measurement of important parameters of landslides, such as length, width, depth, failure plane inclination and volume of displaced soil. The presented paper demonstrates three case studies which are based on drone video recordings: two landslides (Islahiye and Tepehan, respectively) and a rockfall (Idili).

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