Somma volcano

Source: Wikipedia, the free encyclopedia.
Aerial view of Fogo Island, Cape Verde, an example of a somma volcano. The volcanic cone Pico do Fogo rises 100 m above the walls of the caldera.

A somma volcano, also known as a sommian, is a

Hokkaidō, Japan.[citation needed
]

Some examples of somma volcanoes are the following:

See also