Canary Islands
The Canary Islands are a Spanish archipelago which, in turn, forms one of the Spanish Autonomous Communities and an Outermost Region of the European Union. The archipelago is located just off the northwest coast of mainland Africa, 100 km west of the disputed border between Morocco and the Western Sahara.
The status of capital city is shared by the cities of Santa Cruz de Tenerife and Las Palmas de Gran Canaria, which in turn are the capitals of the provinces of Santa Cruz de Tenerife and Las Palmas. The third city of the Canary Islands is San Cristóbal de La Laguna (City World Heritage Site) on the island of Tenerife.
The islands form the Macaronesia ecoregion with the Azores, Cape Verde, Madeira, and the Savage Isles. The archipelago consists of seven large and several smaller islands, all of which are volcanic in origin. The Teide volcano on Tenerife is the highest mountain in Spain, and the third largest 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.
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