volcanoes jessica redmond. what is a super volcano? a super volcano or a super volcanic eruption is...

Volcanoes

Jessica Redmond

What is a super volcano?

• A Super Volcano or a super volcanic eruption is an eruption that ejects greater than 240 cubic miles.

When and where?

• The last one was in Sumatra, called Toba. • It erupted about 75,000 years ago. • 10 thousand times bigger than MT. st Helens.

What did the eruption cause?

• Deforested most of central India. • 800 cubic kilometers of ash into the

atmosphere, leaving a crater which is now the largest volcano lake.

Yellowstone Volcano? What evidence is there that it is active?

• Not your typical volcano because of size, scale, and frequency of eruption.

• The magma is as close as 5 miles underground in some spots, which fuels thousands of spewing geysers, hissing steam vents, gurgling mud spots, and steaming hot springs.

Volcano in Mexico

• Called Paricutin• Began as a fissure in a cornfield. • Erupted for over 9 years. • Got as big as 1,309.08 ft.

The biggest volcano on earth.

• Mauna Loa. • One of the 5 volcanoes that make up the Big

Island of Hawaii. • Scientists think it has been erupting for over

700,000 years.• It erupted last in 1984 and destroyed homes

and villages.