caldara
A caldera. A crater is what is formed when a large meteor(ite) strikes a planet.
They are volcanos that formed around japan
The "ring of fire".
mostly around the pacific ocean
it is said that Philippines was formed by volcanoes. it appears that the volcanoes underneath the ocean has the same core of the volcanoes found here in the Philippines
Volcanoes were not invented , they are formed in deep soil .
Yes. There were formed by volcanoes.
volcanoes are usually the mountains,the plate boundaries colliding depend on where the volcanoes are formed so they are not purposely always formed by mountains.
they are formed wherever active volcanoes are
Sumatra was formed by volcanoes like hawii
It is thought that volcanoes formed the Hawaiian islands.
Same as all volcanoes were formed.