Volcanoes are usually formed as a result of _____.

a convergent boundary, where at least one of the plates is oceanic
a divergent boundary, where at least one of the plates is oceanic
a transform fault boundary, where both plates are oceanic
a convergent boundary, where both plates are continental

1 answer

Volcanoes are usually formed as a result of a convergent boundary, where at least one of the plates is oceanic. In this scenario, an oceanic plate is subducted beneath a continental plate or another oceanic plate, leading to the formation of magma that can result in volcanic activity.