caldera

Famous examples include Yellowstone, Toba, and Japan's Kikai caldera, most of which lies beneath the ocean.

From Science Daily ● Oct. 23, 2026

When such enormous volumes of magma escape from underground, the rock above the emptied reservoir can collapse, leaving behind a broad, relatively shallow depression known as a caldera.

From Science Daily ● Oct. 23, 2026

Anak Krakatau, which means Child of Krakatoa, has been sporadically active since it emerged from the sea at the beginning of last century in the caldera formed after the 1883 eruption of Mount Krakatoa.

From BBC ● Sep. 7, 2026

The volcano has been sporadically active since it emerged from the sea at the beginning of last century in the caldera that formed after the 1883 eruption of Mount Krakatau.

From Barron's ● Sep. 7, 2026

In particular what he couldn’t find was a structure known as a caldera.

From "A Short History of Nearly Everything" by Bill Bryson

"This magma re-injection model is consistent with the existence of large shallow magma reservoirs beneath other giant calderas like Yellowstone and Toba," says Seama.

From Science Daily ● Jul. 29, 2026

Earth MRI has already shown that lithium prospectors need not stick to calderas.

From Science Magazine ● Jun. 1, 2023

But more modest levels of internal heating have given the moon a subsurface ocean and an icy crust rather than lava-spewing calderas.

From Scientific American ● Apr. 24, 2023

Relics of primordial geological violence are everywhere: plunging rifts and canyons, volcanic calderas, ancient lava flow and a vast, surreal, white desert, almost lunar.

From New York Times ● Nov. 4, 2022

The lava in the calderas boils because of escaping steam, but the vapor emitted is comparatively little, and seldom hangs above the summits in heavy clouds.

From The Elements of Geology by William Harmon Norton