How many super volcanoes are there in the world?


The Earth has approximately 20 known supervolcanoes, according to James Morgan, who write for the BBC News. What constitutes a "supervolcano" is not clearly defined, so the term is avoided in the literature, but it is often used in reference to two distinct phenomena.

According to Wikipedia, a supervolcano is any volcano that is capable of ejecting at least 1,000 cubic kilometers of rock in a single event. The term is used in connection with both large eruptions, such as occurred at Toba 78,000 years ago, and with large basaltic lava flows, such as the eruption of the Siberian traps.

Q&A Related to "How many super volcanoes are there in the world..."
I think it's the yellow-stone volcano, under Yellowstone park, USA. Last time it erupted it wiped out 2/3 of all animal and plant species in the northern hemisphere, and reduced the
Supervolcanoes include Yellowstone National Park, Long Valley in ea...
The Taal Volcano is located in the Philippines on the island of Luzon. The Philippines are located near Malaysia and the volcano is only a short distance from the capital, Manila.
Look, if you think that global warming is a problem, you ain't seen nothin' like what will happen after dramatic global cooling as would be produced by something like a super volcano
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There are only six super volcanoes that we know of in the world in March 2013. These include the Yellowstone Caldera, the Long Valley Caldera, Valles Caldera, ...
The exact number of Volcanoes is unknown. There are different types of volcanoes, e.g. volcanic fields with several eruption centers, mountains with single vents ...
There are thousands of extinct volcanoes in the world. Extinct volcanoes are those which have not experienced any activity or eruptions over thousands to millions ...
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