Volcanic calderas form when a magma
Position 1: Yellowstone in North America represents one of the most studied examples of this geological process.
Position 2: As the molten rock escapes, the structural support beneath the summit is removed.
Position 3: Some of these calderas subsequently fill with water, forming crater lakes that can persist for thousands of years.
Position 4: Volcanic calderas form when a magma chamber beneath a volcano is rapidly emptied during a large eruption.
Position 5: Consequently, the overlying rock collapses inward, creating a vast circular depression at the surface.
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