Volcano Types
These volcanoes have gentle slopes and erupt less violently than composite volcanoes.
What is a shield volcano?
Most volcanoes are found along these lines where the Earth's crust interacts.
What are tectonic plate boundaries?
"Magma” becomes this once it reaches the surface.
What is lava?
Which volcano erupted in 79AD, destroying the town of Pompeii?
What is Mount Vesuvius?
Roughly how many volcanic eruptions occur each year?
What are 50 eruptions per year?
Composite volcanoes are also called what?
What is a stratovolcano?
What are the two types of plate margins?
These are large chunks of molten rock flung into the air during eruptions.
What are volcanic bombs?
Volcanoes were named after which ancient God?
Who is Vulcan?
There are how many active volcanoes on Earth?
What is 600-1500 active volcanoes?
Where do shield volcanoes often form?
What is a hotspot or constructive plate margin?
Over 75 % of active volcanoes are found in this infamous Pacific region.
What is the Ring of Fire?
The underground storage area where molten rock gathers before an eruption.
What is a magma chamber?
The volcano Krakatoa is famous for generating what?
What is the loudest eruption recorded?
The crust and the upper mantle form what part of the Earth's surface?
What is the lithosphere?
What materials form the layers of a composite volcano?
What is layers of ash and lava?
Along a constructive plate margin, how far apart do the plates move away from each other per year?
What is 5cm per year?
What is the primary opening of a volcano, often located at the summit and surrounded by a crater?
What is the main vent?
A volcano that has not erupted in a long time but may erupt again is called what?
What is a dormant volcano?
What does the viscosity of lava affect?
What is how fast the lava flows?
The Hawaiian islands are key example of this type of volcano.
What is a hotspot volcano?
What two plate types move towards each other to form a destructive plate margin?
What are oceanic and continental plates?
What is the lithosphere broken into?
What are tectonic plates?
How tall is the world's largest active volcano?
What is 4,170m tall?
What type of volcano is Mount St Helen's, is a volcano located between the oceanic Juan de Fuca Plate and North American Plate.
What is a composite or stratovolcano?