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A caldera

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What forms after the top of a volcano collapses?

When a volcanic cone collapses it forms a caldera.


What is the large circular depression at the top of a volcano that forms when the roof of the magma chamber collapses?

The large circular depression at the top of a volcano that forms when the roof of the magma chamber collapses is called a caldera. Calderas can be huge in size and are formed during explosive volcanic eruptions or when the magma chamber empties and the summit collapses into the void left behind.


What is basin shaped crater at top of mountain called?

The basin shaped crater at the top of a mountain is called a caldera. It forms when a volcano collapses into itself after an eruption, creating a large, circular depression.


What forms at the top of a volcanoe mountain when it collapses?

Most volcanoes, when they finish erupting, leave a crater behind when the magma retreats down the volcanic pipe. Occasionally this will fill with water to leave a lake.A large surface explosion will leave behind a Caldera - a broad area possibly still of geothermal activity. Such as Yellowstone, or Okataina.


What is on top of a volcanic mountain?

A volcanic mountain can have a crater at its summit, which may contain a volcanic vent, lava dome, or caldera. The top of a volcanic mountain can also be covered in ash, rock debris, and volcanic gases.


On top of a volcanic mountain?

crater


What forms when the top or side of a volcano collapses into the magma chamber?

Caldera


What forms when the top or side of volcano collapses into the magma chamber?

Caldera


What type of volcano is Aniakchak?

It is a volcanic caldera which is a large, bowl-shaped volcanic depression that forms when the top of a volcanic cone collapses into the space left after magma is ejected during a violent volcanic eruption.


When a volcano collapses into itself at its top it forms a?

When a volcano collapses into itself at its top, it forms a large crater called a caldera. Calderas are formed when the magma chamber of a volcano empties during an eruption, causing the summit to collapse inward.


What is a hole in the top of the mountain called?

A hole at the top of a mountain can be referred to as a summit vent or a volcanic crater, depending on whether it is a natural opening or the result of volcanic activity.


What is the US state that is the top of a volcanic mountain?

It's Hawaii.