Vent~an opening, as in a wall, serving as an outlet for air, smoke, fumes, or the like.
Crater~a bowl-shaped geological formation at the top of a volcano.
Lava Flow~a stream or sheet of molten or solidified lava.
Sill~an intrusive body of magma that pushes its way between layers of sediments.
Ash Cloud~Cloud of gas, steam, ash, dust, and coarser fragments that form during an explosive volcanic eruption and commonly gets blown long distances.
Secondary Vent~a secondary vent is a vent or tube that connects to the secondary cone for the lava to flow.
Throat~Entrance of a volcano. The part of the conduit that ejects lava and volcanic ash.
Conduit~An underground passage magma travels through.
Magma Chamber~a reservoir of magma in the earth's crust where the magma may reside temporarily on its way from the upper mantle to the earth's surface.
Crater~a bowl-shaped geological formation at the top of a volcano.
Lava Flow~a stream or sheet of molten or solidified lava.
Sill~an intrusive body of magma that pushes its way between layers of sediments.
Ash Cloud~Cloud of gas, steam, ash, dust, and coarser fragments that form during an explosive volcanic eruption and commonly gets blown long distances.
Secondary Vent~a secondary vent is a vent or tube that connects to the secondary cone for the lava to flow.
Throat~Entrance of a volcano. The part of the conduit that ejects lava and volcanic ash.
Conduit~An underground passage magma travels through.
Magma Chamber~a reservoir of magma in the earth's crust where the magma may reside temporarily on its way from the upper mantle to the earth's surface.
- Layers of ash and lava build up a volcano