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Compare volcanic crater to a caldera?
A Crater is a bowl shaped depression in the Earth's surface. It could be made by an impacting meteor, an underground land collapse, or perhaps may be found at the top of a volcano [= collapse].A Caldera is of volcanic origin, (but without a noticeable volcanic cone), where there was an eruption after which the magma chamber collapsed and is now filled in. Yellowstone is one notable example, and the Taupo Lake another.
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.
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 forms when a volcano collapses on itself?
calderacalderaIt forms a caldera.
Three steps in caldera formation?
Magma chamber beneath a volcano fills with molten rock. Pressure builds until the overlying rock collapses, creating a large depression. The caldera may continue to change shape due to further volcanic activity or erosion.
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.
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.
What makes the volcanoes crater?
A volcanic crater is a circular depression caused by volcanic activity.
A caldera is a depression in a volcanic mountain A caldera may form when?
The mountain collapses into an emptied magma chamber
What is a steep sided usually circular depression formed by either explosion or collapse at a volcanic vent called?
Volcanic crater.
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.
A steep-sided usually circular depression formed by either explosion or collapse at a volcanic vent.?
This is a crater
A circular depression that forms when a magma chamber empties and causes the ground to sink?
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.
Are craters volcanic bombs?
No. A crater is a circular depression in the ground formed by an impact or explosion. A volcano bomb is a blob of lava hurled out during a volcanic eruption.
A basin shaped volcanic depression?
A caldera.
When the roof of a volcano collapses this forms?
When the roof of a volcano collapses, it can form a large crater known as a caldera. Calderas are circular depressions usually larger than the original volcanic vent and are often filled with water or subsequent eruptions.
What steep sided usually circular depression formed by either explosion or collapse at a volcanic vent?
This is known as a caldera or a crater.
