Abstract

This study comprehensively examines the seismotectonic characteristics of the Coastal Aegean Region and evaluates earthquake hazard probabilities based on historical, structural, and geodynamic data. Western Anatolia and the Coastal Aegean Region represent high-seismic-risk zones characterized by a complex deformation regime, where both normal and strike-slip faults are actively influential. The research investigates local fault systems in various segments, including İzmir, Balıkesir, Aydın, Muğla, Gökova, Skyros, and Sığacık. GPS measurements, microseismic records, tomographic analyses, and field observations were integrated to perform seismic hazard assessments. The vulnerability of traditional structures and the influence of local soil conditions on structural performance were also evaluated, supported by empirical and seismic hazard analysis results. Findings indicate that the seismic hazard in the region is associated not only with major faults but also with micro-scale stress accumulation and structural weaknesses. The magnitudes, locations, and characteristics of historical earthquakes were found to be consistent with the results of seismic hazard analyses. In this context, measures such as microseismicity monitoring, tsunami and earthquake early warning systems, and the reinforcement of building stock are projected to play a significant role in reducing disaster risk.