Introducing
Your new presentation assistant.
Refine, enhance, and tailor your content, source relevant images, and edit visuals quicker than ever before.
Trending searches
The Science Behind Volcanoes
1
The Science Behind Volcanoes
The Ring of Fire
The “Ring of Fire” is a string of volcanoes and sites of regular tectonic plate movement that outline the Pacific Ocean. 75% of all active volcanoes sit in the “Ring of Fire”. Some active volcanoes that sit in the ring include Mt. Saint Helens, and Mt Fuji.
So Baaaaasically...
Pompeii
Volcanoes are just giant ticking time-bombs, some that could explode at any minute. Supervolcanoes are just like doomsday machines, ready to wipe out entire countries at anytime. That's a bit of an exaggeration but that's the easiest way to explain them.
In 79 AD, the eruption of Mount Vesuvius covered the ancient Roman city of Pompeii with layers of ash and pumice, destroying everything. Pompeii was located near modern-day Naples, Italy. There were approximately 11 000 people living there at the time, all of whom were killed.
How They Go BOOM!
http://www.theguardian.com/world/video/2015/oct/01/timelapse-colima-fire-volcano-eruption-mexico-video
^a cool volcanic eruption video
Beneath the earth’s crust, there are magma chambers. Magma, or lava, is melted rock. Over time pressure builds up in the chamber and then BOOM! The volcano blows its top! The magma spills out reshaping entire landscapes.
Volcanic Winter
Yellowstone Super Volcano
A volcanic winter happens after a large volcanic eruption. Tons upon tons of dust and ash rise into the sky, obscuring the sun. This causes the temperature to drop around the globe. This can last for multiple years. The most recent volcanic winter happened in 1991 when Mt. Pinatubo erupted in the Philippines. It cooled global temperatures for 3 years. The eruption of Mt. Tambora in 1815 cause June snowfalls in the northern hemisphere. If the Yellowstone Caldera erupted, we’d be in for another severe volcanic winter.
Yellowstone national park in Wyoming is home to a huge supervolcano! Scientists define a supervolcano as a volcano with the capability to create a volcanic eruption 1000 times larger than a regular eruption. The Yellowstone caldera’s magma chamber reaches almost halfway to the centre of the earth! Scientist can’t predict exactly when it will blow it’s top. It could be 10 000 years away or it could happen next month.
What Would Happen?
(a video by "Alternate History")