20 Fun Facts About Volcanoes

Underwater volcanoes, also known as submarine volcanoes, are common and can form new islands when their summits rise above the water’s surface.

There are more than 1,500 potentially active volcanoes worldwide.

The world’s largest super-volcano is the Toba volcano in Indonesia. Its last eruption around 74,000 years ago was reportedly responsible for a global volcanic winter.

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