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These plates float on a layer of magma - semi-liquid rock and ... Stratovolcanoes are considered the most violent eruptions. ... 1783: The eruption of Mount Skaptar in Iceland devastated farming and fishing, causing a famine ...

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How do the composite volcano form their inner layers?

The inner layers are laid down by earlier eruptions, and are then buried under ash and lava from later eruptions.


Is a stratovolcano a shield volcano?

No. A stratovolcano is a volcano with steep slopes consiting of layers of lava flows, ash, and pumice and is prone to explosive eruptions. A shield volcano is a volcano with broad slopes composed of layers of low viscosity lava flows and is generally not prone to explosive eruptions.


Is Mount Rainier an explosive or non explosive volcano why or why not?

It is an explosive volcano. Mount Rainier is a stratovolcano, characterized by layers of ash from explosive eruptions and cooled lava flows from effusive eruptions. The high viscosity and gas content of its magma are the reason for its explosive nature.


What kind of volcano is komagatake?

The Komagatake volcano in Japan is classified as a stratovolcano. The definition of a stratovolcano is a volcano that is conical in shape and composed of layers of material expelled from previous eruptions.


How do you describe a composite volcano?

A composite volcano is composed of many layers of ash and cooled lava flows resulting from sequences of explosive and non-explosive eruptions. The arrangement of these layers can be quite complex.


What type of volcanoe built from layers of lava released from repeated nonexplosive eruptions?

It was a Stratovolcano (Composite Volcano).


Is it true that a composite volcano have both quiet and explosive options?

Yes. The ash and cinder layers are from explosive eruptions while the lava flows are from non-explosive eruptions.


What shape is built up from numerous violent volcanic eruptions?

A volcanic cone or a volcanic mountain can be built up from numerous violent volcanic eruptions. These eruptions can result in layers of lava, ash, and volcanic rocks accumulating over time to form a distinctive cone-shaped landform.


Is the Osorno volcano in Chile a shield or composite volcano?

The Osorno volcano in Chile is a composite volcano. It is characterized by its tall, symmetrical shape and alternating layers of lava flows and volcanic ash. It is the result of both explosive and effusive eruptions.


Is mount shasta a composite or a stratovolcano?

It is both. A composite volcano and a stratovolcano are the same thing.


Why is another name for composite volcano Strato?

A composite volcano is called a "strato" volcano because of its alternating layers of lava flow and volcanic ash, which can resemble the stratified layers of sedimentary rock ("strato" means layers in Latin). This type of volcano is characterized by its steep-sided profile and explosive eruptions.


What type of mountain has alternate layers of lava and cinder?

A composite volcano, also known as a stratovolcano, has alternate layers of lava and cinder due to its explosive eruptions that eject both materials. These volcanoes are typically tall and steep-sided.