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caldera
[ kal-der-uh, kawl- ]
noun
- a large, basinlike depression resulting from the explosion or collapse of the center of a volcano.
caldera
/ kælˈdɛərÉ™; ˈkÉ”ËldÉ™rÉ™ /
noun
- a large basin-shaped crater at the top of a volcano, formed by the collapse or explosion of the cone See cirque
caldera
/ °ìă±ô-»åâ°ù′ə,-»åî°ù′ə,°ìä±ô- /
- A large, roughly circular crater left after a volcanic explosion or the collapse of a volcanic cone. Calderas are typically much wider in diameter than the openings of the vents from which they were formed.
˜yÐÄvlog History and Origins
˜yÐÄvlog History and Origins
Origin of caldera1
Example Sentences
It was in an area overlooking the caldera - the large crater of the volcano - and the boy would not have survived the fall, Ms Ferracane said.
Erebus is only a 20-minute helicopter ride from McMurdo, so since the 1960s scientists have studied the volcano and the lava lake that roils within its caldera, occasionally tossing out “bombs†of molten rock.
The area surrounding the caldera has been closed to the public since 2008 because of other hazards, including ground cracking, instability in the crater wall and rockfalls.
As the reservoir depleted, the ground above it -- the crater within the caldera at the volcano's summit -- suddenly collapsed.
During the experiments, the optical sensor is kept in a controlled laboratory environment in a building that sits on top of a volcano caldera -- a large depression formed when a volcano erupts and collapses.
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