A volcano that is erupting or has erupted recently.
What is active?
How many types of volcanoes are there?
What are three(four if you include lava plateau).
Shield cone, cinder cone, composite cone
This is the most active volcanic region on Earth and is located around the rim of the Pacific Ocean.
What is the Ring of Fire?
What is magma called when it is on the earth's crust?
What is lava?
Name 3 things volcanoes expel during an eruption?
What are gasses, ash, lava, cinders, or bombs (tephra)
A volcano with tall, steep sides built by layers of lava and ash and can create explosive eruptions.
What is a composite volcano?
Mt. Fuji is this type of volcano.
What is composite (stratovolcano) volcano?
A volcano that forms over a mantle plume in the middle of oceanic or continentl crust.
What is a hot spot volcano?
Molten rock that is under the earth's surface.
What is magma
A volcano with low and broad sides, and was formed by runny lava.
What is a shield volcano?
The volcano in Paricutin, Mexico is an example of this kind of volcano.
What is cinder cone volcano?
Hawaii formed over a mantle plume and is also known as this type of volcanic form.
What is a volcanic island chain?
The part of a volcano where magma erupts onto the earth's surface.
What is the vent?
This kind of volcano is smaller, with steep sides, formed from explosive eruptions, made from layers of ash and cinders.
What is a cinder cone volcano?
What type of volcano is Mauna Loa on the Big Island of Hawaii?
What is a shield volcano?
Japan and the Aluetian Islands are examples of this type of volcanic island which forms when two oceanic plates converge.
What is a volcanic island arc?
A volcano that has not erupted in a while, but may erupt in the future.
What is dormant
This forms after a volcano has erupted and the center has collaposed to leave a hole which can fill with water.
What is a caldera?
Pyroclastic flows, like the Mt St Helens eruption, are associated with this type of volcano.
What is a composite volcano?
The factors of magma that will determine the type of eruption to happen at a volcano.
What is viscosity (thick or thin), silica, temperature and gas content?