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When a large explosive volcanic eruption destroys most of the volcano, the resulting large crater is called a caldera.

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Q: When is caldera form?
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What is the type of formation a Caldera calls home?

A caldera may form on a volcano.


A caldera is a depression in a volcanic mountain A caldera may form when?

The mountain collapses into an emptied magma chamber


When a volcano collapses what does it form?

When a volcano collapses, it can form a crater or caldera. A crater is a bowl-shaped depression at the top of the volcano, while a caldera is a much larger depression that can form when the center of the volcano collapses. Both features can result in a large, empty space left behind by the volcanic activity.


Does mount rainier have a caldera at its summit?

Mount Rainier does not have a caldera at its summit. It is a stratovolcano with a glacier-capped peak in the Cascade Range of Washington state.


What forms after the top of a volcano collapses?

When a volcanic cone collapses it forms a caldera.


What are circular depressions that form when magma empties and the ground above sinks?

it is caldera


What do you call a land form that is hollow and can be found at the top of a volcano?

A caldera or crater.


How does the appearance of land surfaces change before after a caldera forms?

It magma form....


How does a caldera forms?

A caldera is a large depression in a volcano. Most calderas form in one of two ways: by collapse of the top of a composite volcano after the magma chamber is drained.


Did Mount Vesuvius form in a caldera?

No, Mount Vesuvius is a composite volcano and its latest eruption was in 1944. Some sources say that in that eruption, Mt. Vesuvius collapsed in a caldera, but it didn't. FYI: A caldera is a volcano that had an extremely explosive eruption that emptied the magma chamber, causing the volcano to collapse in on itself. An example of a caldera is Crater Lake in Oregon.


A basin-shaped volcanic depression?

I actually had problems with this question on my crossword puzzle. The answer is actually a caldera. ---------------------------------- A volcanic crater would also be a correct answer.


What is the Oregon Lake Caldera or Volcanic neck?

It would have to be a caldera. A caldera is a depression in the ground, so it is logical that one would contain a lake (and some do). A volcanic neck is a pillar or mountain of rock that solidified inside a volcano, and so could not form a lake.