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Assessing qualitative long-term volcanic hazards at Lanzarote Island (Canary Islands)

Abstract : Conducting long-term hazard assessment in active volcanic areas is of primary importance for land-use planning and defining emergency plans able to be applied in case of a crisis. A definition of scenario hazard maps helps to mitigate the consequences of future eruptions by anticipating the events that may occur. Lanzarote is an active volcanic island that has hosted the largest (> 1.5 km 3 DRE) and longest (6 years) eruption, the Timanfaya eruption (1730–1736), on the Canary Islands in historical times (last 600 years). This eruption brought severe economic losses and forced local people to migrate. In spite of all these facts, no comprehensive hazard assessment or hazard maps have been developed for the island. In this work, we present an integrated long-term volcanic hazard evaluation using a systematic methodology that includes spatial analysis and simulations of the most probable eruptive scenarios.
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Laura Becerril, Joan Martí, Stefania Bartolini, Adelina Geyer. Assessing qualitative long-term volcanic hazards at Lanzarote Island (Canary Islands). Natural Hazards and Earth System Sciences, Copernicus Publ. / European Geosciences Union, 2017, 17 (7), pp.1145-1157. ⟨10.5194/nhess-17-1145-2017⟩. ⟨insu-01576543⟩



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