Blog Posts

03 May 2018

Some eruptions are so large, and discharge so much magma (molten rock), that the roof of the magma chamber can no longer support itself. When the roof collapses, it forms a big hole...

15 Jul 2016

A type of volcanic crater called a caldera forms when a large eruption drains a magma chamber beneath a volcano, causing the ground to collapse. These eruptions can eject anywhere from 10 km3 to...