Located on the North American lithospheric plate, Corvo Island emerged about 700 thousand years ago and consist of a stratovolcano or composite volcano, this is, a volcano formed by pyroclastic levels alternating with lava levels.
The volcanic landscape of Corvo has a set of very peculiar forms and characteristics that are related mainly to the types of volcanic eruptions to which it was subjected. Highlighting the collapse caldera with 2.3x1.9 kilometres in diameter and a maximum depth of 305 metres, the Caldeirão.
In the south of the island is the village, installed on a “fajã” generated by basaltic lava flows originated from secondary volcanoes of Corvo´s stratovolcano, such as the Morro da Fonte.
The island is surrounded by steep sea-cliffs, the higher of the Azores that reach 718 metres altitude on the west coast, and are home to bays formed by coastal lava cords and some islets.