Active volcanoes are mostly found along the edges of Earth’s tectonic plates, especially around the Pacific Ocean in a zone called the Ring of Fire. Many are also found at mid-ocean ridges and in a few “hot spot” areas like Hawaii.

Where active volcanoes are

  • Along plate boundaries where plates are colliding or pulling apart, such as around the Pacific Rim in the Ring of Fire.
  • In chains of islands and mountains like Alaska, the Cascades, Japan, Indonesia, and parts of Central and South America.
  • On ocean floors at mid-ocean ridges, where new crust forms and magma rises through cracks.
  • Above hot spots in the middle of plates, such as the Hawaiian Islands in the central Pacific.

Quick kid-friendly picture

Imagine Earth’s crust as a cracked shell. Active volcanoes sit mainly:

  • Around the big crack circle bordering the Pacific Ocean (Ring of Fire).
  • Along long underwater cracks where plates move apart.
  • In a few special “burn-through” spots, like Hawaii, where hot mantle rock melts through the middle of a plate.

Information gathered from public forums or data available on the internet and portrayed here.