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A circular depression that forms when a magma chamber empties is called a caldera. It is a large volcanic crater made from the collapse of a volcano's mouth.

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What is a large semicircular depression that forms when the magma chamber below a volcano partially empties and causes the ground above to sink?

It is a subsidence caldera. Also known as a non-explosive caldera.


What causes a caldera volcano?

A caldera is a depression formed by an extremely large, explosive volcanic eruption. The largest eruptions drain huge amounts of magma from underground, causing the ground above to collapse into the space left behind.


How does a caldera form from a supervolcano?

A caldera forms when a supervolcano undergoes a massive eruption, causing the empty magma chamber beneath the volcano to collapse, creating a large bowl-shaped depression. This collapse can be triggered by the release of enormous amounts of magma and volcanic gases during the eruption, leading to a sudden decrease in pressure that causes the chamber roof to fall in.


Under ground erosion causes a circular depression?

This circular depression is likely a sinkhole formation due to underground erosion. Over time, water dissolves soluble rock such as limestone, creating underground voids that can eventually collapse, leading to the formation of a sinkhole. Such sinkholes can vary in size and depth, posing potential hazards to structures and roads built above them.


How are caldera volcano form?

Caldera volcanoes form through a process that begins with a massive eruption, where magma is expelled from the magma chamber beneath the volcano. This sudden loss of pressure causes the ground above to collapse, creating a large depression known as a caldera. Over time, the caldera may fill with water or be reformed by subsequent volcanic activity, leading to the development of new volcanic features. The result is a large, often circular basin that can be several kilometers in diameter.

Related Questions

What is a large semicircular depression that forms when the magma chamber below a volcano partially empties and causes the ground above to sink?

It is a subsidence caldera. Also known as a non-explosive caldera.


Underground erosion causes a circular depression what is it called?

A circular depression caused by underground erosion is typically called a sinkhole. Sinkholes can form gradually over time as underground voids or caves collapse, often leading to sudden and unexpected ground subsidence.


What causes a caldera volcano?

A caldera is a depression formed by an extremely large, explosive volcanic eruption. The largest eruptions drain huge amounts of magma from underground, causing the ground above to collapse into the space left behind.


Does a pathogen cause depression?

Depression can have such organic causes as infections if the brain becomes involved, but no there is nomicroorganism that causes depression.


If anxiety and depression are correlated what three possible directions of causality might explain this correlation?

If anxiety and depression are correlated, there are three possible directions of causality. These are anxiety causes depression, depression causes anxiety, and there is an environmental stimuli that causes both anxiety and depression.


Why depression in your life?

There are many causes for depression. I suggest talking to a counseler.


What are some possible causes of chronic depression?

There are several possible causes of chronic depression. Some of these causes include traumatic events, certain medications and substances, age (older individuals are more likely to suffer from depression), and genetics (depression can run in a family).


What are the release dates for It Is Written - 1956 Depression and Its Causes?

It Is Written - 1956 Depression and Its Causes was released on: USA: 6 November 2011


Where online can one find articles and information about what causes depression?

You can find articles and information about the causes of depression at the WebMD website. Once on the page, type "Causes of Depression" into the search field at the top of the page and press enter to bring up the information.


What causes sensitive gums?

depression of the mouth


What are ten causes of the great depression?

Obama


Why is ringworm circular in shape?

Ringworm is circular in shape because the fungus that causes it grows outward in a circular pattern on the skin, creating a ring-like appearance.