What does supervolcano mean?

Definitions for supervolcano
su·per·vol·cano

This dictionary definitions page includes all the possible meanings, example usage and translations of the word supervolcano.

Wiktionary

  1. supervolcanonoun

    A powerful volcano, often having an explosive or cataclysmic eruption

  2. Etymology: super- + volcano, coined in a 2000 documentary about the Yellowstone Caldera.

Wikipedia

  1. Supervolcano

    A supervolcano is a volcano that has had an eruption with a Volcanic Explosivity Index (VEI) of 8, the largest recorded value on the index. This means the volume of deposits for such an eruption is greater than 1,000 cubic kilometers (240 cubic miles). Supervolcanoes occur when magma in the mantle rises into the crust but is unable to break through it. Pressure builds in a large and growing magma pool until the crust is unable to contain the pressure and ruptures. This can occur at hotspots (for example, Yellowstone Caldera) or at subduction zones (for example, Toba).Large-volume supervolcanic eruptions are also often associated with large igneous provinces, which can cover huge areas with lava and volcanic ash. These can cause long-lasting climate change (such as the triggering of a small ice age) and threaten species with extinction. The Oruanui eruption of New Zealand's Taupō Volcano (about 26,500 years ago) was the world's most recent VEI-8 eruption.

Wikidata

  1. Supervolcano

    A supervolcano is a volcano capable of producing a volcanic eruption with an ejecta volume greater than 1,000 km³. This is thousands of times larger than normal volcanic eruptions. Supervolcanoes can occur when magma in the mantle rises into the crust from a hotspot but is unable to break through the crust. Pressure builds in a large and growing magma pool until the crust is unable to contain the pressure. They can also form at convergent plate boundaries and continental hotspot locations. Although there are only a handful of Quaternary supervolcanoes, supervolcanic eruptions typically cover huge areas with lava and volcanic ash and cause a long-lasting change to weather sufficient to threaten species with extinction.

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Numerology

  1. Chaldean Numerology

    The numerical value of supervolcano in Chaldean Numerology is: 2

  2. Pythagorean Numerology

    The numerical value of supervolcano in Pythagorean Numerology is: 8

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"supervolcano." Definitions.net. STANDS4 LLC, 2024. Web. 28 Mar. 2024. <https://www.definitions.net/definition/supervolcano>.

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