different between supervolcano vs supereruption

English

Etymology

super- +? volcano.

Noun

supervolcano (plural supervolcanoes or supervolcanos)

1. (volcanology) A powerful volcano, often having an explosive or cataclysmic eruption.
   • 1983, Louis Berman, John C. Evans, Exploring the Cosmos (?ISBN), page 178:

     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.

   • 1984, Richard Monaco, Runes (?ISBN), page 64:

     The stone went dark, and instantly the supervolcano burst with an unthinkable blast. A miles-deep plug of dark and hot earth flew upward, followed by a tremendous expanding cloud. Swirling, dense substance spread and thickened [...]

Derived terms

• supervolcanic

English

Etymology

From super- +? eruption.

Pronunciation

• (UK) IPA^(key): /?su?p??????p?n?/
• Rhymes: -?p??n

Noun

supereruption (plural supereruptions)

1. (dentistry) Overeruption. [from 20th c.]
2. The massive eruption of a supervolcano. [from 20th c.]
   • 2012, George Dyson, Turing's Cathedral, Penguin 2013, p. 204:

     The Los Alamos mesa rested against the eastern slope of the Jemez Mountains, on the rime of the Valles Caldera, formed as a result of two explosive super-eruptions 1.6 and 1.1 million years ago.