from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A large crater formed by volcanic explosion or by collapse of a volcanic cone.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A large crater formed by a volcanic explosion or by collapse of the cone of a volcano.
from The Century Dictionary and Cyclopedia
- n. A large kettle or caldron; hence, in geology, an amphitheatrical depression in a volcanic formation.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a large crater caused by the violent explosion of a volcano that collapses into a depression
I believe it has its own atmosphere because it is built in what you call a caldera, but I may have picked that information up from like a Syfy TV movie about the Coming Global Superstorm, or invented it in my own mind.
The technical term for Yellowstone's supervolcano is "caldera," a Spanish word meaning
The common sort is employed for hedging and called caldera by Europeans in many parts of
Most seismicity preceding Karymsky eruptions has originated beneath Akademia Nauk caldera, which is located immediately S of Karymsky volcano and erupted simultaneously with Karymsky in 1996.
In the center of the caldera was the classic mini-cone - the caldera was completely dry.
The caldera has been the source of at least nine very large explosions over the last 300000 years, erupting a total of about 70 cubic kilometres (17 cu mi) of magma.
I stay the night and take the bus to Arusha and will try to find a way to go to the famous Serengeti National Park and the supposedly magnificent Ngorongoro Conservation area, a huge caldera, which is the collapsed upper cone of an ancient volcano.
The youngest feature in the caldera is the so-called Rhyodacite Dome, which is a little plug of rhyodacitic lava similar to previous Crater Lake material, but there sure in mafic lava in the caldera.
Unlike conventional cone-shaped volcanoes, the Campi Flegrei has the form of a huge cauldron-shaped hollow, known as a caldera, caused by the collapse of land following a massive eruption 39,000 years ago.
We visited a collapsed volcanic caldera which is now a bay.