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Last Updated: Thursday April 29 2010 07:37 GMT

PICTURES: Fascinating volcano facts!

The Popocatepetl volcano in Mexico

Three hundred million, or 1 in 20, people in the world live within 'danger range' of an active volcano. That means one that could erupt!

Mount Mayon Volcano in The Philippines

About 1,500 different volcanoes have erupted in the past 10,000 years. On any given day, there are about 20 volcanoes erupting somewhere in the world.

Lava from a volcano in Hawaii

The world's largest active volcano is Mauna Loa in Hawaii

The volcano in Iceland

The word volcano probably comes from the name of Vulcano, which is an island off Sicily named after Vulcan, the Roman God of Fire.

Mayon Volcano in The Philippines

Maelo birds use volcanoes to hatch their eggs! They bury them in volcanic sand and when the chicks hatch they claw their way up to the surface.

The volcano in Iceland

In 1982, a flight from London lost all of its engines when it flew through a volcanic ash cloud. It glided without power for 15 minutes before they restarted some of the engines.

Merapi volcano in Indonesia

Lava flows can reach 1,250 degrees Celsius and can burn everything in their path - a glass thermometer would just melt if you tried to measure it

Icelandic volcano

The volcano in Iceland is 1,666 metres tall. And the ash cloud that erupted from it reached 55,000 feet!

Mount Merapi in Indonesia

The worst volcanic disaster of the 20th century is considered to be the eruption of Mt. Pelée in 1902. It was on the island of Martinique in the Caribbean and it killed 30,121 people.

Body casts of the Vesuvius volcano

In AD 79, Vesuvius erupted, devastating the towns of Pompeii and Herculaneum. The remains of people were preserved by the ash. You can still see it today - it looks horrific