ACTIVE

ASH

AVALANCHE

BLACK SMOKERS

CALDERA

CINDER CONE

COMPOSITE VOLCANO

CONICAL

CRATER

CRUST

DORMANT

ERUPTION

EXTINCT

FUMAROLE FIELDS

GASES

HOT SPOTS

LASSEN PEAK

LAVA DOME

LAVA FLOW

LAVA TUBES

LOIHI

MAGMA

MANTLE

MAUNA LOA

MOLTEN ROCK

MONT PELEE

MOUNT PINATUBO

MOUNT RAINIER

MOUNT ST HELENS

MOUNT VESUVIUS

PLUME

PYROCLASTIC FLOWS

RING OF FIRE

RUPTURE

SCORIA CONE

SHIELD VOLCANO

STRATOVOLCANO

TECTONIC PLATES

TEPHRA

VENT