- إنضم
- 6 ديسمبر 2014
- المشاركات
- 12,863
- التفاعل
- الدولة
The study titled Historical Seismicity of Egypt by Ahmed Badawy offers a comprehensive analysis of earthquake activity in Egypt from 2200 BC to 1899 AD, drawing upon Arabic historical records and earlier earthquake catalogs.(link.springer.com)
Key Findings
- Total Earthquakes Documented: The research identifies approximately 83 significant earthquakes over the 4,000-year period.
- Temporal Distribution:
- Only seven earthquakes are recorded before the Common Era.
- A notable increase to eight events is observed in the 10th century.
- The 11th and 12th centuries (Fatimid period) experienced a significant decline in reported earthquakes.
- Activity rose again during the 15th and 16th centuries (Mamluk period), with ten events.
- The 17th and 18th centuries (Ottoman period) saw another decline.
- The 19th century recorded the highest number of earthquakes, totaling 17.(link.springer.com)
- Spatial Distribution:
- Historical earthquakes are predominantly reported in Cairo, the Nile Delta, and the Nile Valley.
- This concentration may reflect population distribution rather than actual seismic activity.
- Many significant earthquakes originated from distant tectonic sources, such as the Hellenic Arc, eastern Mediterranean, Red Sea, Gulf of Suez, and Gulf of Aqaba.(researchgate.net, en.wikipedia.org)
- Challenges in Historical Seismology:
- The dense population along the Nile complicates the accurate localization and assessment of historical earthquakes.
- Discrepancies exist between the spatial distribution of historical and modern instrumental seismicity, highlighting the limitations of historical records.(researchgate.net)
This study underscores the importance of integrating historical accounts with modern seismological data to enhance the understanding of Egypt's seismic history and inform future hazard assessments.
هوا عامل البحث من مراجع تاريخية حتى قبل الميلاد .. يعني هوا عامل حصر لفترات النشاط الزلزالي حسب المؤرخين
