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caldera Definition

cal·dera (kal der′ə)

noun

a broad, craterlike basin of a volcano, formed by an explosion or by collapse of the cone

Etymology: Sp < L caldarium: see caldarium

caldera Usage Examples

Preposition: of

volcano: Yellowstone, the biggest national park in the US outside Alaska, occupies the caldera of an exceedingly ancient volcano of extraordinary magnitude.

Converse of object

  • flood: It is an active volcano with a large flooded caldera open to the sea, which forms a natural harbor.
  • form: The collapsed surface of the volcano formed a wide caldera, or crater of sorts, spanning many miles.
  • have: Katla volcano rises to 1500 m height and has a 10-km diameter caldera.
  • leave: The superstructure crashed into the empty magma chamber, leaving the caldera, a hole where the magma chamber had been.

Adjective modifier

  • volcanic: Instead of craters, Voyager 1 found hundreds of volcanic calderas.
  • restless: Abstract Hazard assessment and risk mitigation at restless calderas is only possible with adequate geophysical monitoring.
  • large: The crater is the largest unbroken ancient caldera in the world.
  • unbroken: The crater is the largest unbroken ancient caldera in the world.
  • ancient: The crater is the largest unbroken ancient caldera in the world.
  • huge: Huge calderas erupted thousands of cubic miles of ash.

Modifies a noun

  • rim: Whilst trekking to some of our more distant sites we had caught glimpses of what we suspected to be to be the caldera rim.
  • collapse: The proposed genetic model for the Au deposit at Rozalia mine highlights the importance of hydrothermal activity during the early stage of caldera collapse.
  • lake: Meltwater continious to flow from the eruptive site toward the subglacial Grimsvotn caldera lake, but at a much reduced rate than before.
  • complex: At least five volcanic fields centered on large caldera complexes have been identified.
  • fault: Structure, geochemistry and fluid flow in caldera margin faults: Gran Canaria, Spain.
  • ring: It broke open sections of the caldera ring, creating two channels to the open water instead of just one.

Noun used with modifier

  • puerto: Of the week next morning in what went wrong puerto caldera to.
  • erosion: This formation, the Mount Warning erosion caldera, is one of the major examples of this landform in the world.