This book presents a comprehensive treatment of earthquake hazards in Lebanon and its vicinity. A thorough review of the tectonics of the region is given alongside a re-assessment of the historical and instrumental earthquake records. Probabilistic seismic hazard analysis is undertaken and hazard maps are presented in terms of peak ground parameters as well as spectral ordinates (acceleration and displacement). Owing to their significance to the economy of Lebanon, the three cities of Beirut, Sidon and Tripoli are subjected to site-specific earthquake hazard assessment. The maps provided are