it comes from molten rock
Surtsey
A caldera is a depression formed by an extremely large, explosive volcanic eruption. The largest eruptions drain huge amounts of magma from underground, causing the ground above to collapse into the space left behind.
Plate Movement
volcanic eruption
It was formed six million years ago it's a volcanic eruption.
They were formed by the volcanic eruption
It was formed from a volcanic eruption
Surtsey
A caldera is a depression formed by an extremely large, explosive volcanic eruption. The largest eruptions drain huge amounts of magma from underground, causing the ground above to collapse into the space left behind.
It wasn't it was the big bang
Plate Movement
Volcanic eruption
on a new rock created by a volcanic eruption
This may be a volcanic vent, crater or caldera depending on the specific volcanic event that formed the hole!
a natural disaster from a volcanic eruption
floods sandy beaches riverbanks
volcanic eruption