Tenerife is an island in the province of Santa Cruz de Tenerife located in the Canary Archipelago (Spain) with an area of 2,034.21 km2, making it the largest island in the Canaries. It is also the most populous island (812,839 inhabitants in 2004). This island was created by volcanic activity and its oldest fragments (Anaga and Teno) began to be shaped around 7 million years ago. Successive eruptions between both mountain masses created the rest of the insular edifice along three structural axes. The large Teide volcano (3,718 metres, the highest point in