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    Question ID:   13721         Current Version: 1
Question: What is a supervolcano?
Category: Science > Earth Sciences
Keywords: super, volcano, eruption, supervolcano
Type: what
Rating:(0 ratings)    Views: 296    Discussions: 0   In Watch Lists: 1  

 
    Answer:

The term "supervolcano" implies an eruption of magnitude 8 on the Volcano Explosivity Index, meaning that more than 1,000 cubic kilometers (250 cubic miles) of magma (partially molten rock) are erupted. The most recent such event on Earth occurred 74,000 years ago at the Toba Caldera in Sumatra, Indonesia.

Source: USGS

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[QID:4520]    Can an eruption at one volcano trigger an eruption at another nearby volcano (for example, within about 10 km)?  
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