Facts About Volcanoes

• There are about 1500 active volcanoes in the world that have erupted in the past 10,000 years.
• The biggest volcano in the world is Mauna Loa in Hawaii.
• More than 80% of the Earth’s surface is volcanic in origin.
• The rock debris carried by the blast of Mount St. Helen’s eruption traveled as fast as 250 miles per hour!
• More than half of the world’s active volcanoes above sea level encircle the Pacific Ocean to form the “Ring of Fire”
• Jupiter’s Moon Io is the most volcanic place in the solar system