Supervolcano

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A powerful volcano, often having an explosive or cataclysmic eruption.

    "Mosaic of Olympus Mons on Mars. The supervolcano is nearly 600 kilometers wide at the base and 25 kilometers high and is capped by a crater 65 kilometers in diameter. It is about five times larger than the most massive volcanic cone on earth, Mauna Loa in Hawaii."

Synonyms

All synonyms
hypervolcano

Example

More examples

"The supervolcano of Yellowstone hasn't erupted in ages, but telltale signs such as deformation of land and earthquakes showcase its activity."

Etymology

From super- + volcano.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.