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
Canary Islands third tallest volcano on Earth on a volcanic ocean island. All the islands except La Gomera have been active in the last million years; four of them (Lanzarote, Tenerife, La Palma and El Hierro) have historical records of eruptions since European discovery. The islands rise from Jurassic oceanic crust associated with the opening of the Atlantic. Underwater magmatism commenced during the Cretaceous, and reached the ocean's surface during the Miocene. The islands are considered as a distinct physiographic section of the Atlas Mountains province, which in turn is part of the larger African Alpine System division. In the summer of