Natural hazards:
 | periodic droughts, occasional flooding volcanism: Spain experiences volcanic activity in the Canary Islands, located off Africa's northwest coast; Teide (elev. 3,715 m) has been deemed a "Decade Volcano" by the International Association of Volcanology and Chemistry of the Earth's Interior, worthy of study due to its explosive history and close proximity to human populations; La Palma (elev. 2,426 m), which last erupted in 1971, is the most active of the Canary Islands volcanoes; Lanzarote is the only other historically active volcano |