The Main Cause of Caldera Collapse Is

question 72

Multiple Choice

The main cause of caldera collapse is:

• A) a fissure eruption that allows the shield volcano to split into two or more parts
• B) collapse of the north flank by landslides
• C) removal of magmas that form pillow basalt
• D) collapse of the roof of a magma chamber as magma erupts
• E) all of these

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