A Volcano Odyssey (2012) - FAQ
Frequently asked questions about this film.
What are hotspots in relation to volcanic activity?
Hotspots occur when the mantle generates enormous plumes of hot material that rise towards the crust, leading to volcanic activity that can last several millions of years.
How old is the igneous province created by the hotspot in northwest India?
The igneous province in northwest India is 65 million years old.
How often do magma plumes emerge from the Earth's mantle?
Magma plumes are ejected from the Earth's mantle approximately every 30 million years.