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LIBRIS
FunderFrench National Research Agency (ANR)
Funder Contribution €778,604.00
DurationFrom 01 Jan 2010
Project codeANR-09-RISK-0006
Open Access mandatePublications: NoResearch data: No
Identifiers
Description
LIBRIS proposes a multidisciplinary scientific collaboration between France and Lebanon, whose aim is to grasp the seismic risk in its different aspects: Hazard (earthquake physics and crustal tomography, paleoseismology, geodesy, site effects evaluation, Probabilistic Seismic Hazard Analysis); Vulnerability (Interaction Site-Structure and Soil-Structure-Soil, risk perception, political decision, crisis management, urbanism, reconstruction). Lebanon is a small Middle East country whose tectonics is active and governed by the Levant Fault System. The latter presents in Lebanon a restraining bend and split in three major branches prone to break in large ruptures: The Roûm Fault (1837), the left lateral strike-slip Yammoûneh Fault (1202), and the Rachayâ-Serghayâ Fault (1759) on land and the Beirut-Tripoli Thrust (551) offshore. The rich and complex geological history of Lebanon makes it difficult to know where the most active faults are, and where will be the next disastrous earthquake. Indeed, two recent seismic crises occurred in the area of Tyre and along the Damour Fault, 20km south of Beirut. The seismic hazard is therefore widely unknown in Lebanon and earthquakes of magnitude 5-6 are possible all over the country. The seismic hazard in Lebanon is probably the highest in the Mediterranean area. In the meantime, the growth of population mostly occurs in two or three urban centres whose development has steadily increased in the last decades. Among these urban centres stand Beirut (over 2.5 million inhabitants), Tripoli (500 000 inhabitants) and Tyre (100 000 inhabitants) that concentrate 70% of the total population. These rapidly growing urban centres have increased the stakes in Lebanon, as well as the human vulnerability to earthquakes. Moreover, the absence of any earthquake-resistant codes until very recently, the lack of systematic control of buildings, the damages caused by wars and conflicts, the corrosion problems, and the post-construction modifications of buildings have increased the physical vulnerability. Although there is no existing seismic scenario for Beirut nor for Lebanon, all specialists agree on the occurrence of a major disaster in Lebanon, leading to a massive loss of lives and severe damages to the country.
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LIBRIS proposes a multidisciplinary scientific collaboration between France and Lebanon, whose aim is to grasp the seismic risk in its different aspects: Hazard (earthquake physics and crustal tomography, paleoseismology, geodesy, site effects evaluation, Probabilistic Seismic Hazard Analysis); Vulnerability (Interaction Site-Structure and Soil-Structure-Soil, risk perception, political decision, crisis management, urbanism, reconstruction). Lebanon is a small Middle East country whose tectonics is active and governed by the Levant Fault System. The latter presents in Lebanon a restraining bend and split in three major branches prone to break in large ruptures: The Roûm Fault (1837), the left lateral strike-slip Yammoûneh Fault (1202), and the Rachayâ-Serghayâ Fault (1759) on land and the Beirut-Tripoli Thrust (551) offshore. The rich and complex geological history of Lebanon makes it difficult to know where the most active faults are, and where will be the next disastrous earthquake. Indeed, two recent seismic crises occurred in the area of Tyre and along the Damour Fault, 20km south of Beirut. The seismic hazard is therefore widely unknown in Lebanon and earthquakes of magnitude 5-6 are possible all over the country. The seismic hazard in Lebanon is probably the highest in the Mediterranean area. In the meantime, the growth of population mostly occurs in two or three urban centres whose development has steadily increased in the last decades. Among these urban centres stand Beirut (over 2.5 million inhabitants), Tripoli (500 000 inhabitants) and Tyre (100 000 inhabitants) that concentrate 70% of the total population. These rapidly growing urban centres have increased the stakes in Lebanon, as well as the human vulnerability to earthquakes. Moreover, the absence of any earthquake-resistant codes until very recently, the lack of systematic control of buildings, the damages caused by wars and conflicts, the corrosion problems, and the post-construction modifications of buildings have increased the physical vulnerability. Although there is no existing seismic scenario for Beirut nor for Lebanon, all specialists agree on the occurrence of a major disaster in Lebanon, leading to a massive loss of lives and severe damages to the country.
