How a super-volcano forms Flashcards
1
Q
What is the first step?
A
Rising magma does not and cannot escape and a large bulge appears on the surface.
2
Q
What is the second step?
A
Cracks appear in the surface. Gas and ash erupt from chamber.
3
Q
What is the third step?
A
The chamber collapses forming a depression called a caldera [a normal volcano forms a cone shape]
