Canary Islands ocean in the middle of the islands of La Gomera, Tenerife and La Palma; where the laurisilva forests grow. The seven major islands, one minor island, and several small islets were originally volcanic islands, formed by the Canary hotspot. The Canary Islands is the only place in Spain where volcanic eruptions have been recorded during the Modern Era, with some volcanoes still active (El Hierro, 2011). Volcanic islands such as those in the Canary chain often have steep ocean cliffs caused by catastrophic debris avalanches and landslides. The Teide volcano on Tenerife is the highest mountain in Spain, and the
Conquest of the Canary Islands coalesced with these expeditions. La Gomera and El Hierro are depicted in the 1367 portolan of the brothers Domenico and Francesco Pizzigano. The Catalan Atlas of 1375 shows the Canaries almost completely and accurately mapped (only La Palma is missing). The eleven islands are named in the Catalan Atlas (from east to west) as "Graciosa" (La Graciosa),"laregranza" (Alegranza), "rocho" (Roque), "Insula de lanzaroto maloxelo" (Lanzarote), "insula de li vegi marin" (Lobos), "forteventura" (Fuerteventura), "Insula de Canaria" (Gran Canaria), "Insula del infernio" (Tenerife), "insula de gomera" (La Gomera), "insula de lo fero" (El Hierro). The name 'tenerefiz' is first given alongside