What is CALDERA?

Deep impression within a volcano that was due to the collapse of magma pits or a ring fracture.

CALDERA: "The city of Oia in Greece sits atop a caldera."

Link to This Definition

Did you find this definition of CALDERA helpful? You can share it by copying the code below and adding it to your blog or web page.
Edited and fact checked by Pam: Google +