• At a convergent plate boundary, when one plate is oceanic, there are large volcanoes.
  • These volcanoes are found in lines that outline the subduction zone.
  • Earthquakes also happen in these zones.
  • Subduction of an oceanic plate beneath a continental plate forms a line of volcanoes known as a continental arc.
  • Japan, Indonesia, the Philippine Islands, and the Aleutian Islands of Alaska are examples of island arcs.
  • The Andes Mountains, along the western edge of South America, are a volcanic arc.
Select from the frequently asked questions below