VOLCANO FEATURES

Cone

the most striking part of the volcano

Vent

the opening through which an eruption takes place

Magma Chamber

the large underground pool of liquid rock found beneath the earth’s crust

Crater

a basin-like depression over a vent at the summit of the cone

Caldera

can be created when a volcano’s summit is blown off by exploding gases

Lava

the rock/magma expelled from a volcano during eruption

Dikes

the barrier or obstacles in a volcano

Sills

these are solidified lava flows

Conduit

a channel or pipe conveying liquid materials such as magma

Flank

side of a volcano

Summit

the highest point or apex of a volcano

Throat

the entrance of a volcano

Ash Cloud

the expelled in the atmosphere

Volcanic Bombs

chunks of lava blasted into the air

Tephra Fall

the fragmented material that consists of pumice, scoria, lithic material, and crystals

Lahar

these are flowing mixtures of volcanic debris and water

Pyroclastic Flow

fast-moving currents