Somma volcano
（重定向自Somma）
![Aerial view of Fogo Island, Cape Verde, an example of a somma volcano. The volcanic cone Pico do Fogo rises just 100m above the walls of the caldera.](/Images/godic/202502/12/Ilha_do_Fogo_aerial_shot_14459.jpg")
A somma volcano (also known simply as a sommian) or a somma stratovolcano is a volcanic caldera that has been partially filled by a new central cone. The name comes from Mount Somma, a stratovolcano in southern Italy with a summit caldera in which the upper cone of Mount Vesuvius has grown.