A caldera.
Yellowstone Caldera, Wyoming, USA
When a large explosive volcanic eruption destroys most of the volcano, the resulting large crater is called a caldera.
When a volcanic cone collapses it forms 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 caldera.
A caldera may form on a volcano.
A caldera may form in the centre of a very large volcano.
Yellowstone Caldera, Wyoming, USA
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.
When a large explosive volcanic eruption destroys most of the volcano, the resulting large crater is called a caldera.
A caldera or crater.
When a volcanic cone collapses it forms 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.
One volcano can form one island normally. If it collapses into a caldera it could form a group of three or four.
Caldera
It forms a 'caldera'.