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Alexandria , as a second major city of Egypt, becomes nowadays a site for new developmental projects. Therefore, the seismic hazard analysis would be essential to mitigate the earthquake disaster in the region. The seismic hazard maps of different non-exceedence probability for Alexandria are presented. The obtained results indicate that Alexandria is highly affected by earthquakes are generated north of Red Sea and its two branches (Gulf of Suez and Gulf of Aqaba). Recently, the southwest Cairo (Dahshour district) is reported as a source region and poses an effect on the new constructions in Alexandria. Detailed seismic hazard estimation has been carried out for three important constructions: Alexandria Library, Stanley Bridge and the fort of Qaitbay (old Alexandria lighthouse). At the three sites, four intensity levels have been examined. The annual expected number of earthquake, the return period, and the probability of occurrence were calculated for each intensity level. The obtained results indicate that the return period of intensity 5.0 for the Alexandria Library and Stanley Bridge is about 47 years with 2.0% probability of occurrence. Thus, Alexandria Is and area of moderate seismic hazard.
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