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The bowl shaped depression that forms around the central vent of a volcano is called a crater. Craters are small, usually less than one kilometer in diameter.

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What is a funnel shaped pit that forms around a volcano?

A crater


When the top of a volcanic mountain collapses it forms a what?

When the top of a volcanic mountain collapses, it forms a volcanic crater or caldera. This creates a bowl-shaped depression at the summit of the volcano.


The area that forms around a volcanoes central opening?

A bowl-shaped area that forms around a volcano's central vent is called a crater.


What forms when a larger volcano collapses it on itself?

It forms a 'caldera'.


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 is the crater of a volcano?

yes, I think so. because, very large volume of magma is ejected and then magma chamber can't support the volcano above it. then the volcano begins to sink into the earth.magma chamber empties and a new collapsed depression occurs.


A basin shaped volcanic depression?

A caldera.


What forms when the dome of stratovolcano collapes?

A caldera forms when the dome of a stratovolcano collapses following a large eruption, emptying the magma chamber beneath the volcano. This collapse creates a large, bowl-shaped depression in the Earth's surface.


What is a volcanic crater feature?

A volcanic crater is a large, basin-like depression at the summit of a volcano. It forms when the magma chamber beneath a volcano is emptied during an eruption, causing the overlying rock to collapse into the chamber. Craters can also be formed by explosive eruptions that blow out the summit of a volcano.


What island is build from coral that forms on the flank of sinking volcano?

The island that is built from coral that forms on the flank of a sinking volcano is called an atoll. Atolls are usually ring-shaped islands formed from coral reefs that grow around the submerged crater of a volcano. Over time, as the volcano sinks, the coral continues to grow upwards, creating a circular or oval-shaped island.


A volcano that appears to be a large sunken depression is a?

A caldera is the name for a large sunken depression on a volcano.


How do cinder cone volcanos form?

Lava is spewed out of a vent like a cannonball, forming a cone-shaped volcano.