What is a cinder cone volcano?
Small, steep-sided hills made of ash and cinders, with basaltic lava fragments ejected from a single vent.
What is a fissure volcano?
Long cracks in the Earth’s surface, with large amounts of fluid basaltic lava.
What is a caldera?
A large, basin-like depression that collapses after massive eruptions empty the magma chamber.
What is a shield volcano?
A volcano with broad, gently sloping sides and thin, runny basaltic lava.
What is a stratovolcano?
A steep, conical mountain with thicker, more viscous lava.
What is a lava dome volcano?
A mounded dome formed by slow, thick lava that is very viscous.