1 Assessing qualitative long-term volcanic hazards at Lanzarote 2 Island (Canary Islands) 3 4 Laura Becerril1, Joan Martí1, a, Stefania Bartolini1, Adelina Geyer1 5 1. Institute of Earth Sciences Jaume Almera, ICTJA-CSIC, Lluís Solé i Sabarís s/n, 08028 Barcelona, 6 Spain 7 a. Now at the Institut des Sciences de la Terre d’Orleans (ISTO, CNRS), Université d’Orleans, Campus 8 Géosciences, 1A rue de la Férolerie, F45071, Orleans Cedex 2. 9 10 11 Correspondence to: Laura Becerril (
[email protected]) 12 13 Abstract. Conducting long-term hazard assessment in active volcanic areas is of primordial importance 14 for land-use planning and to define emergency plans able to be applied in case of a crisis. Definition of 15 scenario hazard maps helps to mitigate the consequences of future eruptions by anticipating to the events 16 that may occur. Lanzarote is an active volcanic island that has hosted the largest (>1.5 km3 DRE) and 17 longest (6 years) eruption, the Timanfaya eruption (1730-36), on the Canary Islands in historical times 18 (last 600 years). This eruption brought severe economic losses and forced local people to migrate. In spite 19 of all these facts, no comprehensive hazard assessment neither hazard maps have been developed for the 20 island. In this work, we present an integrated long-term volcanic hazard evaluation using a systematic 21 methodology that includes spatial analysis and simulations of the most probable expected eruptive scenar- 22 ios. 23 24 1 Introduction 25 26 Active volcanic areas require conducting long-term hazard assessment in order to ensure a rational land 27 planning and to elaborate precise emergency plans that can be applied in case of a crisis.