Journal cover Journal topic
Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
doi:10.5194/nhess-2017-2
© Author(s) 2017. This work is distributed
under the Creative Commons Attribution 3.0 License.
Research article
16 Jan 2017
Review status
This discussion paper is under review for the journal Natural Hazards and Earth System Sciences (NHESS).
Assessing qualitative long-term volcanic hazard at Lanzarote Island (Canary Islands)
Laura Becerril, Joan Martí, Stefania Bartolini, and Adelina Geyer Institute of Earth Sciences Jaume Almera, ICTJA-CSIC, Lluís Solé i Sabarís s/n, 08028 Barcelona, Spain
Abstract. Conducting long-term hazard assessment in active volcanic areas is of primordial importance for land planning and to define emergency plans able to be applied in case of a crisis. Definition of scenario hazard maps helps to mitigate the consequences of future eruptions by anticipating to the events that may occur. Lanzarote is an active volcanic island that has hosted the largest (> 1.5 km3 DRE) and longest (6 years) eruption, the Timanfaya eruption, 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 neither 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 expected eruptive scenarios.

Citation: Becerril, L., Martí, J., Bartolini, S., and Geyer, A.: Assessing qualitative long-term volcanic hazard at Lanzarote Island (Canary Islands), Nat. Hazards Earth Syst. Sci. Discuss., doi:10.5194/nhess-2017-2, in review, 2017.
Laura Becerril et al.
Laura Becerril et al.
Laura Becerril et al.

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Short summary
Lanzarote is an island (Canaries, Spain), that has hosted the largest and longest eruption in the archipelago (Timanfaya 1730–36). It brought severe economic losses and forced local people to migrate. We have developed the first comprehensive hazard assessment for the island. New eruptions will take place close to the last one and will be characterised by Strombolian activity, with ash emission towards the S, medium lenght lava flows and hydromagmatic activity only close to the coastal areas.
Lanzarote is an island (Canaries, Spain), that has hosted the largest and longest eruption in...
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