Volcano Types Notes

Cinder Cone Volcano

  • Most common type.
  • Irregularly shaped; eject lava fragments.
  • Surrounded by dark lava.
  • Examples: Mount Tabor (Oregon), Roden Crater (Arizona), Prindle Volcano & Mount Gordon (Alaska)

Composite Volcanoes

  • Have multiple vents.
  • Common along the Pacific Ring of Fire, above subduction zones.
  • Examples: Lake Clark National Park, Katmai National Park, Mount Fuji, Mount St. Helens.

Shield Volcanoes

  • Some remain active despite rain/snow.
  • Can create lava explosions.
  • Can be over 4 million years old.
  • Examples: Sawtooth Mountain, Mauna Kea, Erta Ale

Super Volcanoes

  • Most powerful type.
  • No living person has witnessed an eruption.
  • Potential to spread ash country-wide.
  • Examples: Yellowstone National Park, Long Valley, Lake Toba